KS3 Science-Physics Quiz on "Forces and their effects and Speeding Up" (based on QCA 7K & 9K)

Which of the following are units of mass? [7k-1]
1. kg
2. N
3. g/cm³
4. cm³
Which of the following are units of weight? [7k-2]
1. kg
2. N
3. g/cm³
4. cm³
Which of the following are units of density? [7k-3]
1. kg
2. N
3. g/cm³
4. cm³
Which of the following are units of volume? [7k-4]
1. kg
2. N
3. g/cm³
4. cm³
Which of the following are units of mass? [7k-5]
1. kilogram
2. newton
3. grams per centimetre cubed
4. centimetre cubed
Which of the following are units of weight? [7k-6]
1. kilogram
2. newton
3. grams per centimetre cubed
4. centimetre cubed
Which of the following are units of density? [7k-7]
1. kilogram
2. newton
3. grams per centimetre cubed
4. centimetre cubed
Which of the following are units of volume? [7k-8]
1. kilogram
2. newton
3. grams per centimetre cubed
4. centimetre cubed
Which of the following are units of force? [7k-9]
1. N
2. m/s
3. kg
4. cm³
Which of the following are units of speed? [7k-10]
1. N
2. m/s
3. kg
4. cm³
Which of the following are units of force? [7k-11]
1. kilogram
2. centimetre cubed
3. newton
4. metres per second
Which of the following are units of speed? [7k-12]
1. kilogram
2. centimetre cubed
3. newton
4. metres per second
Which word means an upward force acting on an object in a fluid (gas or liquid)? [7k-13]
1. upthrust
2. gravity
3. friction
4. weight
Which word means the force of attraction between any two objects? [7k-14]
1. upthrust
2. gravity
3. friction
4. weight
Which word means the force preventing two materials or objects in contact passing each other? [7k-15]
1. upthrust
2. gravity
3. friction
4. weight
Which word means the force of gravity on an object? [7k-16]
1. upthrust
2. pressure
3. friction
4. weight
The diagram shows the four forces involved and their direction of 'action' as a person is swimming through water. Which of the four forces corresponds to friction ? [7k-17]
1. force F1
2. force F2
3. force F3
4. force F4
The diagram shows the four forces involved and their direction of 'action' as a person is swimming through water. Which of the four forces corresponds to gravity ? [7k-18]
1. force F1
2. force F2
3. force F3
4. force F4
The diagram shows the four forces involved and their direction of 'action' as a person is swimming through water. Which of the four forces corresponds to the 'driving' force ? [7k-19]
1. force F1
2. force F2
3. force F3
4. force F4
The diagram shows the four forces involved and their direction of 'action' as a person is swimming through water. Which of the four forces corresponds to the upthrust ? [7k-20]
1. force F1
2. force F2
3. force F3
4. force F4
Which of the following is a 'force'? [7k-21]
1. friction
2. electricity
3. kinetic
4. light
Which of the following is a 'force'? [7k-22]
1. heat
2. magnetism
3. kinetic
4. light
Which of the following is a 'force'? [7k-23]
1. heat
2. electricity
3. gravity
4. light
Which of the following is a 'force'? [7k-24]
1. heat
2. electricity
3. kinetic
4. buoyancy
Calculate the block volume if L = 2 cm, B = 3 cm and H = 4 cm. [7k-25]
1. 24 cm³
2. 12 cm³
3. 36 cm³
4. 9 cm³
Calculate the block volume if L = 15 cm, B = 2 cm and H = 4 cm. [7k-26]
1. 60 cm³
2. 120 cm³
3. 90 cm³
4. 240 cm³
Calculate the block volume if L = 4 cm, B = 2 cm and H = 7 cm. [7k-27]
1. 112 cm³
2. 28 cm³
3. 56 cm³
4. 42 cm³
Calculate the block volume if L = 3 cm, B = 6 cm and H = 2 cm. [7k-28]
1. 15 cm³
2. 18 cm³
3. 54 cm³
4. 36 cm³
Which of the following is a 'force'? [7k-29]
1. air resistance
2. electricity
3. kinetic
4. light
You are given the following masses and volumes for various blocks of materials. The mass of 1 cm³ of water is 1 g. From them choose which one will sink in water? [7k-30]
1. material W: mass = 8 g, volume = 10 cm³
2. material X: mass = 30 g, volume = 20 cm³
3. material Y: mass = 27 g, volume = 30 cm³
4. material Z: mass = 20 g, volume = 40 cm³
You are given the following masses and volumes for various blocks of materials. The mass of 1 cm³ of water is 1 g. From them choose which one will float on water? [7k-31]
1. material W: mass = 12 g, volume = 10 cm³
2. material X: mass = 22 g, volume = 20 cm³
3. material Y: mass = 27 g, volume = 30 cm³
4. material Z: mass = 20 g, volume = 19 cm³
You are given the following masses and volumes for various blocks of materials. The mass of 1 cm³ of water is 1 g. From them choose which one will float on water? [7k-32]
1. material W: mass = 12 g, volume = 10 cm³
2. material X: mass = 22 g, volume = 20 cm³
3. material Y: mass = 30 g, volume = 28 cm³
4. material Z: mass = 12 g, volume = 13 cm³
You are given the following masses and volumes for various blocks of materials. The mass of 1 cm³ of water is 1 g. From them choose which one will sink in water? [7k-33]
1. material W: mass = 15 g, volume = 10 cm³
2. material X: mass = 10 g, volume = 20 cm³
3. material Y: mass = 27 g, volume = 30 cm³
4. material Z: mass = 20 g, volume = 40 cm³
You are given the following masses and volumes for various blocks of materials. From them choose which one has a density of 0.5 g/cm³? [7k-34]
1. material W: mass = 8 g, volume = 8 cm³
2. material X: mass = 8 g, volume = 16 cm³
3. material Y: mass = 12 g, volume = 8 cm³
4. material Z: mass = 16 g, volume = 8 cm³
You are given the following masses and volumes for various blocks of materials. From them choose which one has a density of 1.5 g/cm³? [7k-35]
1. material W: mass = 8 g, volume = 8 cm³
2. material X: mass = 8 g, volume = 16 cm³
3. material Y: mass = 12 g, volume = 8 cm³
4. material Z: mass = 16 g, volume = 8 cm³
You are given the following masses and volumes for various blocks of materials. From them choose which one has a density of 2 g/cm³? [7k-36]
1. material W: mass = 8 g, volume = 8 cm³
2. material X: mass = 8 g, volume = 16 cm³
3. material Y: mass = 12 g, volume = 8 cm³
4. material Z: mass = 16 g, volume = 8 cm³
The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up! Which corresponds to friction and air resistance? [7k-37]
1. force F1
2. force F2
3. force F3
4. force F4
The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up! Which corresponds to the effect of gravity? [7k-38]
1. force F1
2. force F2
3. force F3
4. force F4
The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up! Which corresponds to the pedalling of the cyclist? [7k-39]
1. force F1
2. force F2
3. force F3
4. force F4
The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up! Which corresponds to the force produced by compression? [7k-40]
1. force F1
2. force F2
3. force F3
4. force F4
The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up! Which must be TRUE to get constant speed? [7k-41]
1. force F1 is equal to F3
2. force F1 is bigger than F3
3. force F3 is bigger than F1
4. force F2 is equal to F4
The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up! Which must be TRUE to get the speed reduced? [7k-42]
1. force F1 is equal to F3
2. force F1 is bigger than F3
3. force F3 is bigger than F1
4. force F2 is equal to F4
The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up! Which must be TRUE to get a 'speeding up'? [7k-43]
1. force F1 is equal to F3
2. force F1 is bigger than F3
3. force F3 is bigger than F1
4. force F2 is equal to F4
The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up! Which must be TRUE when the brakes are applied effectively? [7k-44]
1. force F2 is equal to F4
2. force F2 is bigger than F3
3. force F1 is bigger than F2
4. force F1 is greater than F3
A student carried out an experiment by putting weights on the end of a spring. After each weight was added, the length of the spring was carefully measured. The results are summarised below.
Weight added to spring (N) 2 4 6 8 10
Length of spring (cm) 23 27 31 35 39
From the data, what is the spring extension per N weight added? [7k-45]
1. 2 cm
2. 1 cm
3. 3 cm
4. 4 cm
A student carried out an experiment by putting weights on the end of a spring. After each weight was added, the length of the spring was carefully measured. The results are summarised below.
Weight added to spring (N) 2 4 6 8 10
Length of spring (cm) 23 27 31 35 39
From the data, what would be the spring length with a weight of 7N on? [7k-46]
1. 32 cm
2. 33 cm
3. 34 cm
4. 30 cm
A student carried out an experiment by putting weights on the end of a spring. After each weight was added, the length of the spring was carefully measured. The results are summarised below.
Weight added to spring (N) 2 4 6 8 10
Length of spring (cm) 23 27 31 35 39
From the data, what is the real length of the spring with no weight on? [7k-47]
1. 20 cm
2. 21 cm
3. 19 cm
4. 22 cm
A student carried out an experiment by putting weights on the end of a spring. After each weight was added, the length of the spring was carefully measured. The results are summarised below.
Weight added to spring (N) 2 4 6 8 10
Length of spring (cm) 23 27 31 35 39
From the data, what would be the spring length with a weight of 15N on? [7k-48]
1. 47 cm
2. 51 cm
3. 53 cm
4. 49 cm
Which of the following is a unit of time? [9k-1]
1. s
2. m
3. m/s
4. N
Which of the following is a unit of length? [9k-2]
1. s
2. m
3. m/s
4. N
Which of the following is a unit of speed? [9k-3]
1. s
2. m
3. m/s
4. N
Which of the following is a unit of force? [9k-4]
1. s
2. m
3. m/s
4. N
Which of the following is a unit of force? [9k-5]
1. newtons
2. metres per second
3. metres per sec per sec
4. newton x metres
Which of the following is a unit of speed? [9k-6]
1. newtons
2. metres per second
3. metres per sec per sec
4. newton x metres
Which of the following is a unit of distance? [9k-7]
1. km/s
2. h
3. cm
4. y
Which of the following is a unit of speed? [9k-8]
1. m/s²
2. h
3. cm
4. km/h
Which of the following is a unit of distance? [9k-9]
1. km
2. h
3. cm/s
4. N
Which of the following is a unit of time? [9k-10]
1. km
2. h
3. cm/s
4. N
Which of the following is a unit of speed? [9k-11]
1. km/h²
2. h
3. cm/s
4. N
Which of the following is a unit of speed? [9k-12]
1. newtons per kilogram
2. metres per second per second
3. seconds per centimetre
4. kilometres per hour
The graph shows how the speed of a parachutist varies from point (1) immediately jumping out of an aeroplane, to landing safely with the parachute opened at point (8). At which point is the speeding up or acceleration the greatest? [9k-13]
1. point (1)
2. point (2)
3. point (3)
4. point (5)
The graph shows how the speed of a parachutist varies from point (1) immediately jumping out of an aeroplane, to landing safely with the parachute opened at point (8). At which point is the speed constant? [9k-14]
1. point (1)
2. point (4)
3. point (6)
4. point (2)
The graph shows how the speed of a parachutist varies from point (1) immediately jumping out of an aeroplane, to landing safely with the parachute opened at point (8). Between which points is the speed constant? [9k-15]
1. points (5) and (6)
2. points (1) and (2)
3. points (7) and (8)
4. points (2) and (3)
The graph shows how the speed of a parachutist varies from point (1) immediately jumping out of an aeroplane, to landing safely with the parachute opened at point (8). At which point was the parachute opened? [9k-16]
1. point (2)
2. point (3)
3. point (7)
4. point (5)
The graph shows how the speed of a parachutist varies from point (1) immediately jumping out of an aeroplane, to landing safely with the parachute opened at point (8). Between which points is the speed decreasing (deceleration)? [9k-17]
1. points (5) and (7)
2. points (2) and (3)
3. points (7) and (8)
4. points (4) and (5)
The graph shows how the speed of a parachutist varies from point (1) immediately jumping out of an aeroplane, to landing safely with the parachute opened at point (8). Between which points is the air resistance force (friction) equal to the force of gravity on the parachutist? [9k-18]
1. points (1) and (3)
2. points (3) and (5)
3. points (5) and (6)
4. points (6) and (7)
The graph shows how the speed of a parachutist varies from point (1) immediately jumping out of an aeroplane, to landing safely with the parachute opened at point (8). Between which points is the air resistance force (friction) equal to the force of gravity on the parachutist? [9k-19]
1. points (1) and (2)
2. points (2) and (3)
3. points (7) and (8)
4. points (5) and (6)
The graph shows how the speed of a parachutist varies from point (1) immediately jumping out of an aeroplane, to landing safely with the parachute opened at point (8). At which point is the gravity force on the parachutist greater than the air resistance force (friction)? [9k-20]
1. point (6)
2. point (4)
3. points (8)
4. point (2)
The graph shows how the speed of a parachutist varies from point (1) immediately jumping out of an aeroplane, to landing safely with the parachute opened at point (8). At which point is the air resistance force (friction) greater than the gravity force on the parachutist? [9k-21]
1. point (6)
2. point (4)
3. point (8)
4. point (2)
When a lift is operating, the two main forces are the tension in the cable, from the motor action, and the weight of the lift car and people, due to gravity. Which of the following applies to the situation when the lift is stationary? [9k-22]
1. the tension is equal to the weight
2. the tension is more than the weight
3. the tension is less than the weight
When a lift is operating, the two main forces are the tension in the cable, from the motor action, and the weight of the lift car and people, due to gravity. Which of the following applies to the situation when the lift is moving up at a constant speed? [9k-23]
1. the tension is equal to the weight
2. the tension is more than the weight
3. the tension is less than the weight
When a lift is operating, the two main forces are the tension in the cable, from the motor action, and the weight of the lift car and people, due to gravity. Which of the following applies to the situation when the lift is moving down at a constant speed? [9k-24]
1. the tension is equal to the weight
2. the tension is more than the weight
3. the tension is less than the weight
When a lift is operating, the two main forces are the tension in the cable, from the motor action, and the weight of the lift car and people, due to gravity. Which of the following applies to the situation when the lift is moving upwards with increasing speed? (e.g. start of lift ascent) [9k-25]
1. the tension is equal to the weight
2. the tension is more than the weight
3. the tension is less than the weight
When a lift is operating, the two main forces are the tension in the cable, from the motor action, and the weight of the lift car and people, due to gravity. Which of the following applies to the situation when the lift is moving upwards and slowing down? (e.g. as lift reaches top) [9k-26]
1. the tension is equal to the weight
2. the tension is more than the weight
3. the tension is less than the weight
When a lift is operating, the two main forces are the tension in the cable, from the motor action, and the weight of the lift car and people, due to gravity. Which of the following applies to the situation when the lift is moving down with increasing speed? (e.g. as lift starts descent) [9k-27]
1. the tension is equal to the weight
2. the tension is more than the weight
3. the tension is less than the weight
When a lift is operating, the two main forces are the tension in the cable, from the motor action, and the weight of the lift car and people, due to gravity. Which of the following applies to the situation when the lift is moving down and slowing down? (e.g. as lift reaches bottom) [9k-28]
1. the tension is equal to the weight
2. the tension is more than the weight
3. the tension is less than the weight
A broken down bus is being towed along a road by a truck. Which force is represented on the diagram by F3 and F8? [9k-29]
1. friction
2. weight
3. upthrust
4. thrust
5. tension
A broken down bus is being towed along a road by a truck. Which force is represented on the diagram by F4 and F9? [9k-30]
1. air resistance
2. weight
3. upthrust
4. thrust
5. tension
A broken down bus is being towed along a road by a truck. Which force is represented on the diagram by F2 and F7? [9k-31]
1. friction
2. weight
3. upthrust
4. thrust
5. tension
A broken down bus is being towed along a road by a truck. Which force is represented on the diagram by F1 and F6? [9k-32]
1. air resistance
2. weight
3. upthrust
4. thrust
5. tension
A broken down bus is being towed along a road by a truck. Which force is represented on the diagram by F10? [9k-33]
1. friction
2. weight
3. upthrust
4. thrust
5. tension
A broken down bus is being towed along a road by a truck. Which force is represented by on the diagram F5? [9k-34]
1. air resistance
2. weight
3. upthrust
4. thrust
5. tension
Which of the following matches a speed of 9.8m/s? [9k-35]
1. a sprinter runs 100m in 10.2s
2. a conveyer belt moves along 20m in 2.5s
3. a cyclist covers 500m in 40s
4. a car moves 400m in 36s
Which of the following matches a speed of 8.0m/s? [9k-36]
1. a sprinter runs 100m in 10.2s
2. a conveyer belt moves along 20m in 2.5s
3. a cyclist covers 500m in 40s
4. a car moves 400m in 36s
Which of the following matches a speed of 12.5m/s? [9k-37]
1. a sprinter runs 100m in 10.2s
2. a conveyer belt moves along 20m in 2.5s
3. a cyclist covers 500m in 40s
4. a car moves 400m in 36s
Which of the following matches a speed of 11.1m/s? [9k-38]
1. a sprinter runs 100m in 10.2s
2. a conveyer belt moves along 20m in 2.5s
3. a cyclist covers 500m in 40s
4. a car moves 400m in 36s
Which graph represents speeding up? [9k-39]
1. graph (1)
2. graph (2)
3. graph (3)
4. graph (4)
Which graph represents a stationary object? [9k-40]
1. graph (1)
2. graph (2)
3. graph (3)
4. graph (4)
Which graph represents slowing down? [9k-41]
1. graph (1)
2. graph (2)
3. graph (3)
4. graph (4)
Which graph represents constant speed greater than zero? [9k-42]
1. graph (1)
2. graph (2)
3. graph (3)
4. graph (4)
[9k-43] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. Which describes the motion of the car from 20 to 40 seconds?
1. constant speed
2. slowing down
3. speeding up
4. stopped
[9k-44] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. Which describes the motion of the car from 50 to 80 seconds?
1. constant speed
2. slowing down
3. speeding up
4. stopped
[9k-45] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. Which describes the motion of the car from 0 to 20 seconds?
1. constant speed
2. slowing down
3. speeding up
4. stopped
[9k-46] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. Which describes the motion of the car from 82 to 90 seconds?
1. constant speed
2. slowing down
3. speeding up
4. stopped
[9k-47] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. What is the average speed of the car from 0 to 20 seconds?
1. 10 m/s
2. 20 m/s
3. 1.5 m/s
4. 5.0 m/s
[9k-48] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. What is the average speed of the car from 20 to 40 seconds?
1. 10 m/s
2. 20 m/s
3. 40.0 m/s
4. 30.0 m/s
[9k-49] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. What is the average speed of the car from 40 to 80 seconds?
1. 12.5 m/s
2. 15.0 m/s
3. 7.5 m/s
4. 0.0 m/s
[9k-50] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. What is the average speed of the car from 82 to 90 seconds?
1. 10.0 m/s
2. 2.0 m/s
3. 1.0 m/s
4. 0.0 m/s
[9k-51] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. How far has the car travelled between 0 and 25 seconds?
1. 300 m
2. 320 m
3. 340 m
4. 260 m
[9k-52] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. How far has the car travelled between 30 and 64 seconds?
1. 480 m
2. 440 m
3. 460 m
4. 420 m
[9k-53] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. How far has the car travelled between 52 and 64 seconds?
1. 60 m
2. 40 m
3. 80 m
4. 120 m
[9k-54] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time.

How far has the car travelled between 82 and 90 seconds?
1. 40 m
2. 20 m
3. 160 m
4. 0 m
[9k-55] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. The car engine produces the forward motion thrust force F1. Acting against this are the combined forces of (i) moving parts friction (including braking) and (ii) the drag from air resistance, giving a total force F2. In which time span is force F2 more than F1?
1. 44 to 82 seconds
2. 20 to 44 seconds
3. 0 to 20 seconds
4. 82 to 90 seconds
[9k-56] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. The car engine produces the forward motion thrust force F1. Acting against this are the combined forces of (i) moving parts friction (including braking) and (ii) the drag from air resistance, giving a total force F2. In which time span is force F1 equal to F2?
1. 44 to 82 seconds
2. 20 to 44 seconds
3. 0 to 20 seconds
4. 82 to 90 seconds
[9k-57] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. The car engine produces the forward motion thrust force F1. Acting against this are the combined forces of (i) moving parts friction (including braking) and (ii) the drag from air resistance, giving a total force F2. In which time span is force F1 more than F2?
1. 44 to 82 seconds
2. 20 to 44 seconds
3. 0 to 20 seconds
4. 82 to 90 seconds
[9k-58] The graph shows part of an urban car journey in terms of the distance the car has travelled in a certain time. The car engine produces the forward motion thrust force F1. Acting against this are the combined forces of (i) moving parts friction (including braking) and (ii) the drag from air resistance, giving a total force F2. In which time span are forces F1 and F2 both zero?
1. 44 to 82 seconds
2. 20 to 44 seconds
3. 0 to 20 seconds
4. 82 to 90 seconds
[9k-59] A cyclist is travelling at an average speed of 5 m/s.
How far will the cyclist travel in 10 s?
1. 50 m
2. 2 m
3. 0.5 m
4. 500 m
[9k-60] A cyclist is travelling at an average speed of 10 m/s.
How far will the cyclist travel in 20 s?
1. 2 m
2. 200 m
3. 0.5 m
4. 50 m
[9k-61] A cyclist is travelling at an average speed of 2.5 m/s.
How far will the cyclist travel in 1 minute?
1. 2.5 m
2. 180 m
3. 150 m
4. 15 m
[9k-62] A cyclist is travelling at an average speed of 6 m/s.
How far will the cyclist travel in 2 minutes?
1. 24 m
2. 3 m
3. 360 m
4. 720 m
[9k-63] A racing car is travelling at an average speed of 20 m/s through a curvey section of the race track. How long will it take the driver to cover 600 m?
1. 30 s
2. 60 s
3. 15 s
4. 3 s
[9k-64] A racing car is travelling at an average speed of 40 m/s through a curvey section of the race track. How long will it take the driver to cover 1 km?
1. 40 s
2. 25 s
3. 60 s
4. 50 s
[9k-65] A racing car is travelling at an average speed of 60 m/s through a straight section of the race track. How long will it take the driver to cover 300 m?
1. 18 s
2. 15 s
3. 5 s
4. 20 s
[9k-66] A racing car is travelling at an average speed of 80 m/s through a straightish section of the race track. How long will it take the driver to cover 2 km?
1. 40 s
2. 20 s
3. 50 s
4. 25 s
[9k-67] A child is playing on a slide. Which statement is NOT true?
1. the two main forces involved are weight due to gravity and friction acting in the same direction
2. when the force of friction equals the child's weight, the downward speed is constant
3. if the child sat on a rough cushion the 'slide' will be slower
4. if the child tucks in their arms and head the 'slide' will be faster
[9k-68] A child is playing on a slide. Which statement is NOT true?
1. the two main forces involved are weight due to gravity and friction acting in opposite directions
2. when the force of friction equals the child's weight, the downward speed decreases
3. if the child sat on a rough cushion the 'slide' will be slower
4. if the child tucks in their arms and head the 'slide' will be faster
[9k-69] A child is playing on a slide. Which statement is NOT true?
1. the two main forces involved are weight due to gravity and friction acting in opposite directions
2. when the force of friction equals the child's weight, the downward speed is constant
3. if the child sat on a rough cushion the 'slide' will be faster
4. if the child holds out their arms and holds up their head the 'slide' will be slower
[9k-70] A child is playing on a slide. Which statement is NOT true?
1. the two main forces involved are weight due to gravity and friction acting in opposite directions
2. when the force of friction equals the child's weight, the downward speed is constant
3. if the child sat on a rough cushion the 'slide' will be slower
4. if the child tucks in their arms and head the 'slide' will be slower
A car travels 10 km in 15 minutes. What is the average speed of the car? [9k-71]
1. 40 km/hour
2. 1.5 km/hour
3. 20 km/hour
4. 150 km/hour
A train travels 40 km in 20 minutes. What is the average speed of the train? [9k-72]
1. 2 km/hour
2. 120 km/hour
3. 20 km/hour
4. 80 km/hour
A speed skater travels 120 m in 8 seconds. What is the average speed of the skater? [9k-73]
1. 960 m/s
2. 0.67 m/s
3. 15 m/s
4. 10 m/s
An athlete completes a 400 m race in 50 seconds. What is the average speed of the athlete? [9k-74]
1. 0.125 m/s
2. 10 m/s
3. 9 m/s
4. 8 m/s
A car travels 40 km in 30 minutes. What is the average speed of the car? [9k-75]
1. 80 km/hour
2. 1.33 km/hour
3. 40 km/hour
4. 120 km/hour
A train travels 60 km in 15 minutes. What is the average speed of the train? [9k-76]
1. 300 km/hour
2. 240 km/hour
3. 120 km/hour
4. 180 km/hour
A skier travels 300 m in 5 seconds. What is the average speed of the skater? [9k-77]
1. 150 m/s
2. 30 m/s
3. 60 m/s
4. 15 m/s
An athlete completes a 800 m race in 1 minute 51 seconds. What is the average speed of the athlete? [9k-78]
1. 6.7 m/s
2. 8.1 m/s
3. 6.1 m/s
4. 7.2 m/s
Which is NOT true about the situation illustrated? [9k-79]
1. when the pedal power force equals the drag or friction forces, the speed is increased
2. if the cyclist crouches down and wears smoother clothing the speed can be increased without increasing pedal power
3. if the pedal power force exceeds the drag or friction forces, the cyclist will increase in speed
4. drag or air resistance is caused by the collision of air particles with the surface of the moving object
Which is NOT true about the situation illustrated? [9k-80]
1. when the pedal power force equals the drag or friction forces, the speed is constant
2. if the cyclist crouches down and wears smoother clothing the speed cannot be increased without increasing pedal power
3. if the pedal power force exceeds the drag or friction forces, the cyclist will increase in speed
4. drag or air resistance is caused by the collision of air particles with the surface of the moving object
Which is NOT true about the situation illustrated? [9k-81]
1. when the pedal power force equals the drag or friction forces, the speed is constant
2. if the cyclist crouches down and wears smoother clothing the speed can be increased without increasing pedal power
3. if the pedal power force exceeds the drag or friction forces, the cyclist will be able to maintain a constant speed
4. drag or air resistance is caused by the collision of air particles with the surface of the moving object
Which is NOT true about the situation illustrated? [9k-82]
1. when the pedal power force equals the drag or friction forces, the speed is constant
2. if the cyclist crouches down and wears smoother clothing the speed can be increased without increasing pedal power
3. if the pedal power force exceeds the drag or friction forces, the cyclist will increase in speed
4. drag or air resistance is caused by the heating up of the surface of the moving object
Which of the following is NOT true? [9k-83]
1. if the air resistant drag and other friction forces are less than the engine power of the car, the car will gradually come to a halt
2. air resistance drag increases the faster the car travels
3. tyres grip the road using the force of friction
4. if the foot is taken off the accelerator pedal, the car slows down because the drag or friction force is greater than the motion thrust force
Which of the following is NOT true? [9k-84]
1. if the air resistant drag and other friction forces are greater than the engine power of the car, the car will slow down
2. air resistance drag stays the same whatever the speed of the car
3. tyres grip the road using the force of friction
4. if the foot is taken off the accelerator pedal, the car slows down because the drag or friction force is greater than the motion thrust force
Which of the following is NOT true? [9k-85]
1. if the air resistant drag and other friction forces are greater than the engine power of the car, the car will slow down
2. air resistance drag increases the faster the car travels
3. tyres grip the road using the force of gravity
4. if the foot is taken off the accelerator pedal, the car slows down because the drag or friction force is greater than the motion thrust force
Which of the following is NOT true? [9k-86]
1. if the air resistant drag and other friction forces are greater than the engine power of the car, the car will slow down
2. air resistance drag increases the faster the car travels
3. tyres grip the road using the force of friction
4. if the foot is taken off the accelerator pedal, the car slows down because the drag or friction force is reduced
The graph shows the comparative distance-time behaviour of a 500kg object dropped on the Earth, Jupiter and the Earth's Moon from a height of 20 000m. Some 'drops' may involve the use of a parachute. Which d-t graph line corresponds to dropping the object on Jupiter? [9k-87]
1. graph line (1)
2. graph line (2)
3. graph line (3)
4. graph line (4)
The graph shows the comparative distance-time behaviour of a 500kg object dropped on the Earth, Jupiter and the Earth's Moon from a height of 20 000m. Some 'drops' may involve the use of a parachute. Which d-t graph line corresponds to dropping the object on Earth without a parachute? [9k-88]
1. graph line (1)
2. graph line (2)
3. graph line (3)
4. graph line (4)
The graph shows the comparative distance-time behaviour of a 500kg object dropped on the Earth, Jupiter and the Earth's Moon from a height of 20 000m. Some 'drops' may involve the use of a parachute. Which d-t graph line corresponds to dropping the object on Earth with a parachute deployed on the way down? [9k-89]
1. graph line (1)
2. graph line (2)
3. graph line (3)
4. graph line (4)
The graph shows the comparative distance-time behaviour of a 500kg object dropped on the Earth, Jupiter and the Earth's Moon from a height of 20 000m. Some 'drops' may involve the use of a parachute. Which d-t graph line corresponds to dropping the object on the Moon without a parachute? [9k-90]
1. graph line (1)
2. graph line (2)
3. graph line (3)
4. graph line (4)
The graph shows the comparative distance-time behaviour of a 500kg object dropped on the Earth, Jupiter and the Earth's Moon from a height of 20 000m. Some 'drops' may involve the use of a parachute. Which d-t graph line corresponds to dropping the object on the Moon with a parachute? [9k-91]
1. graph line (1)
2. graph line (2)
3. graph line (3)
4. graph line (4)
Which animal has a shape well adapted for speed through air or water? [9k-92]
1. dolphin
2. hare
3. duck
4. giraffe
Which animal has a shape well adapted for speed through air or water? [9k-93]
1. hare
2. kestrel
3. duck
4. giraffe
Which animal has a shape well adapted for speed through air or water? [9k-94]
1. fox
2. duck
3. seal
4. elephant
In which time period is the train travelling at 100 km/hour? [9k-95]
1. 1300 to 1400 hours
2. 1400 to 1530 hours
3. 1530 to 1700 hours
4. 1700 to 1800 hours
In which time period is the train stopped? [9k-96]
1. 1300 to 1400 hours
2. 1400 to 1530 hours
3. 1530 to 1700 hours
4. 1700 to 1800 hours
In which time period is the train travelling at 66.7 km/hour? [9k-97]
1. 1300 to 1400 hours
2. 1400 to 1530 hours
3. 1530 to 1700 hours
4. 1700 to 1800 hours
In which time period is the train travelling at 50 km/hour? [9k-98]
1. 1300 to 1400 hours
2. 1400 to 1530 hours
3. 1530 to 1700 hours
4. 1700 to 1800 hours
How far has the train travelled by 4.30pm? [9k-99]
1. 170 km
2. 150 km
3. 200 km
4. 185 km
How far has the train travelled by 1.45pm? [9k-100]
1. 60 km
2. 75 km
3. 90 km
4. 95 km
At what time has the train travelled 215 km? [9k-101]
1. 5.45pm
2. 5.30pm
3. 5.15pm
4. 5pm
At what time has the train travelled 120 km? [9k-102]
1. 3.30pm
2. 4pm
3. 4.15pm
4. 3.45pm
During which time period is the cyclist speeding up (accelerating) at the slowest rate? [9k-103]
1. 0 to 40 seconds
2. 40 to 50 seconds
3. 50 to 90 seconds
4. 90 to 100 seconds
During which time period is the cyclist getting faster by 5 m/s in 10 seconds? [9k-104]
1. 0 to 40 seconds
2. 40 to 50 seconds
3. 50 to 90 seconds
4. 90 to 100 seconds
During which time period is the cyclist moving at constant speed? [9k-105]
1. 0 to 40 seconds
2. 40 to 50 seconds
3. 50 to 90 seconds
4. 90 to 100 seconds
During which time period is the cyclist increasing speed (accelerating) at the greatest rate? [9k-106]
1. 0 to 40 seconds
2. 40 to 50 seconds
3. 50 to 90 seconds
4. 90 to 100 seconds
What is speed of the cyclist after 32 seconds? [9k-107]
1. 8 m/s
2. 7 m/s
3. 6 m/s
4. 10 m/s
What is speed of the cyclist after 94 seconds? [9k-108]
1. 17 m/s
2. 19 m/s
3. 21 m/s
4. 15 m/s
How long did it take the cyclist to reach a speed of 13 m/s? [9k-109]
1. 43 s
2. 48 s
3. 46 s
4. 51 s
How long did it take the cyclist to reach a speed of 3 m/s? [9k-110]
1. 11 s
2. 9 s
3. 10 s
4. 12 s
[9k-111]
During which time period is the train moving with the smallest acceleration other than when at constant speed?
1. 0 to 20 mins
2. 20 to 40 mins
3. 40 to 50 mins
4. 50 to 70 mins
5. 70 to 100 s
[9k-112]
During which time period is the train moving at the lowest constant speed?
1. 0 to 20 mins
2. 20 to 40 mins
3. 40 to 50 mins
4. 50 to 70 mins
5. 70 to 100 s
[9k-113]
During which time period is the train moving with the greatest acceleration?
1. 0 to 20 mins
2. 20 to 40 mins
3. 40 to 50 mins
4. 50 to 70 mins
5. 70 to 100 s
[9k-114]
During which time period is the train moving at the highest constant speed?
1. 0 to 20 mins
2. 20 to 40 mins
3. 40 to 50 mins
4. 50 to 70 mins
5. 70 to 100 s
[9k-115]
During which time period is the train steadily decreasing in speed?
1. 0 to 20 mins
2. 20 to 40 mins
3. 40 to 50 mins
4. 50 to 70 mins
5. 70 to 100 s
[9k-116]
At what time into the journey is the train moving at 80 km/h?
1. 16 min
2. 15 min
3. 18 min
4. 13 min
[9k-117]
At what time into the journey is the train moving at 140 km/h?
1. 40 min
2. 44 min
3. 42 min
4. 45 min
[9k-118]
What is the speed of the train after 82 minutes?
1. 112 km/hour
2. 114 km/hour
3. 110 km/hour
4. 108 km/hour
[9k-119]
What is the speed of the train after 14 minutes?
1. 73 km/hour
2. 67 km/hour
3. 68 km/hour
4. 70 km/hour
Which diagram (?) corresponds to when the acceleration is the greatest? [9k-120]
1. diagram (1)
2. diagram (3)
3. diagram (4)
4. diagram (5)
5. diagram (7)
Which diagram (?) corresponds to when the parachutist first reaches a constant high speed? [9k-121]
1. diagram (1)
2. diagram (3)
3. diagram (4)
4. diagram (5)
5. diagram (7)
Which diagram (?) corresponds to when moving at constant speed just before the parachute is opened? [9k-122]
1. diagram (1)
2. diagram (3)
3. diagram (4)
4. diagram (5)
5. diagram (7)
Which diagram (?) corresponds to just after the parachute was opened? [9k-123]
1. diagram (1)
2. diagram (3)
3. diagram (4)
4. diagram (5)
5. diagram (7)
Which diagram (?) corresponds to when the parachutist first reaches a low constant speed? [9k-124]
1. diagram (1)
2. diagram (3)
3. diagram (4)
4. diagram (5)
5. diagram (7)

KS3 science physics practice exam questions KS4 science GCSE/IGCSE biology courses AQA Edexcel OCR 21st Century OCR Gateway KS3 sciences for high schools secondary schools colleges private KS3 physics tests tuition revision courses US K12 science

Weight added to spring (N)	2	4	6	8	10
Length of spring (cm)	23	27	31	35	39

KS3 Science-Physics Quiz on "Forces and their effects and Speeding Up" (based on QCA 7K & 9K)

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