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Physics (AS & A Level) · Oct / Nov 2017 · Paper 11 · Question 10

9702Linear momentum and its conservation

What is a statement of the principle of conservation of momentum?

  1. AIn an elastic collision momentum is constant.
  2. BMomentum is the product of mass and velocity.
  3. CThe force acting on a body is proportional to its rate of change of momentum.
  4. DThe momentum of an isolated system is constant.

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Correct answer: D. The momentum of an isolated system is constant.

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