Physics (AS & A Level) · Oct / Nov 2025 · Paper 12 · Question 9
9702Linear momentum and its conservation
What is a statement of the principle of conservation of momentum?
- AIn an elastic collision, momentum is constant.
- BMomentum is the product of mass and velocity.
- CThe force acting on a body is proportional to its rate of change of momentum.
- 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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