GCSE Physics – Car safety – Primrose Kitten

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GCSE Physics – Car safety

Last updated: 11/05/2020

AQA GCSE Science – Combined science higher Forces GCSE Physics – Car safety

Learning Objectives

-I can explain the features in a car that are designed to make it safer

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Question 1 of 25

1. Question
What is the equation for force and momentum?
- F = m∆v / ∆t
- F = m / ∆t
- F = m∆v
- F = m / t
Correct

Incorrect
Question 2 of 25

2. Question
What does increasing the time taken for momentum to reach 0 do?
- Reduces the force on the passengers
- Increases the force on passengers
- Does not change the force on passengers
- Makes passengers come under more danger
Correct

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Question 3 of 25

3. Question
What type of energy does a car moving have?
- Kinetic energy
- Gravitational potential energy
- Nuclear energy
- Chemical energy
Correct

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Question 4 of 25

4. Question
What happens during a car crash?
- The passengers decelerate rapidly
- The passengers accelerate rapidly
- The passengers decelerate slowly
- The passengers accelerate slowly
Correct

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Question 5 of 25

5. Question
Why do passengers experience large forces during crashes?
- As the change in momentum happens in a short time
- As the change in momentum happens over a long time
- As there is a small change in momentum
- As there is no change in momentum
Correct

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Question 6 of 25

6. Question
How do car safety features protect passengers?
- They increase the time taken for collision
- They decrease the time taken for collision
- They speed up the collision
- They prevent the collision from happening at all
Correct

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Question 7 of 25

7. Question
What do car safety features do?
- Absorb the kinetic energy in collisions
- Absorb the nuclear energy in collisions
- Produce kinetic energy
- Produce chemical energy
Correct

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Question 8 of 25

8. Question
What are the main safety features in a car?
- All of these answers
- Crumple zones
- Seat belts
- Airbags
Correct

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Question 9 of 25

9. Question
What safety features do modern cars have?
- All of these answers
- Seat belts
- Air bags
- Crumple zones
Correct

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Question 10 of 25

10. Question
What is a crumple zone?
- An area of a vehicle with metal designed to crush during a collision
- An entire vehicle that is meant to be destroyed
- A part of a vehicle that only works after collision
- An area of a vehicle designed to prevent collisions
Correct

Incorrect
Question 11 of 25

11. Question
Where are crumple zones located on cars?
- At the rear and front
- Just at the rear
- Just at the front
- At the airbags
Correct

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Question 12 of 25

12. Question
What are crumple zones meant to do during a collision?
- Crush and crumple up
- Not crush up
- Withstand the collision
- Pass on the forces
Correct

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Question 13 of 25

13. Question
How do crumple zones help to protect passengers?
- They increase the time taken for collision
- They decrease the time taken for collision
- They speed up the collision
- They increase the forces in the collision
Correct

Incorrect
Question 14 of 25

14. Question
Where should seat belts be worn?
- Across the chest
- Over the feet
- Across the head
- Across the arms
Correct

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Question 15 of 25

15. Question
What do seat belts do?
- Stop you tumbling around inside the car
- Increase collision forces
- Do not change collision forces
- They do not stretch
Correct

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Question 16 of 25

16. Question
What else do seat belts do?
- Stretch in a collision to increase collision time
- Stretch in a collision to decrease collision time
- Stretch in a collision to increase forces of collision
- Do not stretch to decrease collision forces
Correct

Incorrect
Question 17 of 25

17. Question
What are air bags?
- Large bags of gas
- Small bags of liquid
- Small bags of gas
- Large bags of solid
Correct

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Question 18 of 25

18. Question
What do air bags do in a collision?
- Expand to protect the passenger
- Destroy themselves
- Reduce their size to protect the passenger
- Expand to protect the car
Correct

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Question 19 of 25

19. Question
What do air bags do to reduce forces?
- Increase the time taken for the head's momentum to reach 0
- Decrease the time taken for the head's momentum to reach 0
- Do not change time taken for the head's momentum to reach 0
- Reduce the initial momentum of the collision
Correct

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Question 20 of 25

20. Question
What else do air bags act as?
- Soft cushions
- Hard surfaces
- Inflexible cushions
- Hard barriers
Correct

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Question 21 of 25

21. Question
What can air bags therefore prevent?
- Cuts and head injuries
- Just head injuries
- Just cuts
- They do not prevent against anything
Correct

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Question 22 of 25

22. Question
Why does increasing the time taken in collision protect passengers?
- As F = m∆v / ∆t and ∆t has increased so F decreases
- As F = m∆v / ∆t and ∆t has decreased so F decreases
- As F = m∆v / ∆t and ∆t has increased so F increases
- As F = m∆v / ∆t and ∆t has decreased so F increases
Correct

Incorrect
Question 23 of 25

23. Question
Why does increasing the time taken in collision protect passengers?
- It reduces the forces involved
- It increases the forces involved
- It does not change the forces involved
- It means that no forces are involved
Correct

Incorrect
Question 24 of 25

24. Question
What age should children usually be placed in a car seat?
- Under 4
- Over 11
- Under 20
- Under 15
Correct

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Question 25 of 25

25. Question
How should child car seats be placed in a car?
- Backwards
- Forwards
- Sideways
- They should not be used
Correct

Incorrect

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