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Physics (AS & A Level) · May / June 2021 · Paper 11 · Question 8

9702Momentum and Newton’s laws of motion

A rocket is fired from the Earth into space. Newton's third law of motion describes how forces act in pairs. One of the forces of a pair is the weight of the rocket. What is the other force of this pair?

  1. Aair resistance
  2. Bforce of the exhaust gases on the rocket
  3. Cforce of the rocket on the exhaust gases
  4. Dgravitational force of the rocket on the Earth

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Correct answer: D. gravitational force of the rocket on the Earth

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