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Physics (AS & A Level) · Oct / Nov 2019 · Paper 11 · Question 7

9702Momentum and Newton’s laws of motion

Which statement follows directly from Newton's first law?

  1. AA body remains at constant velocity unless acted upon by a resultant force.
  2. BA satellite in circular motion about the Earth has a constant velocity.
  3. CA water drop leaving a spinning umbrella travels at a constant velocity.
  4. DThe force acting on an object is equal to its change in momentum.

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Correct answer: A. A body remains at constant velocity unless acted upon by a resultant force.

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