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5.7 Momentum (HT only)

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Question 13
H

A rocket in deep space burns fuel and ejects hot gas backwards. The rocket speeds up. Which statement explains why?

[1]
A

the gas gains momentum one way, so the rocket gains equal momentum the other way

B

the escaping gas pushes backwards against the air that is behind the rocket

C

burning the fuel increases the total momentum of the rocket and the gas

D

the gas has a very small mass, so the rocket has to move to conserve mass

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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