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5.7 Momentum (HT only)

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Question 5
H

Figure shows a cross section through a cycle helmet. The helmet has a thick liner made from crushable foam.

Figure: Cross section through a cycle helmet

image

a.

Explain how the foam liner reduces the risk of injury to the cyclist's head in a crash.

[3]
b.

A helmet that has been worn in one crash should not be worn again. Suggest why.

[2]
c.

Give one other safety feature that reduces the force on a person in the same way as the foam liner.

[1]
Markscheme

5.7 Momentum (HT only) Questions

  1. GCSE
  2. /Physics
  3. /5.7 Momentum (HT only)

40 exam-style questions on AQA GCSE Physics 5.7 Momentum (HT only), covering 5.7.1 Momentum is a property of moving objects, 5.7.2 Conservation of momentum, and 5.7.3 Changes in momentum. Each one has a worked solution and a mark scheme showing where the marks go.

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