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2 Motion and forces

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Question 80
F

Two identical cars are tested by driving them into a barrier at 13 m/s.

Car A does not have a crumple zone. It stops in 0.10 s.

Car B has a crumple zone. It stops in 0.40 s.

a.

Give two safety features, other than a crumple zone, that increase the time taken for a passenger to stop in a collision.

[2]
b.

Calculate the deceleration of car A.

[2]
c.

Determine how many times smaller the deceleration of car B is than the deceleration of car A.

[2]
d.

Explain how the crumple zone reduces the risk of injury to the passengers in car B.

[3]
Markscheme

2 Motion and forces Questions

  1. GCSE
  2. /Physics
  3. /2 Motion and forces

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