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Physics (AS & A Level) · May / June 2025 · Paper 12 · Question 11

9702Momentum and Newton’s laws of motion

A cyclist is riding at a constant speed on a level road. According to Newton’s third law of motion, what is equal and opposite to the backward push of the back wheel on the road?

  1. Athe force exerted by the cyclist on the pedals
  2. Bthe forward push of the road on the back wheel
  3. Cthe tension in the cycle chain
  4. Dthe total air resistance and friction force

As printed in the paper

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Correct answer: B. the forward push of the road on the back wheel

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