Physics (AS & A Level) · Feb / March 2025 · Paper 12 · Question 6
9702Linear momentum and its conservation
What is a statement of the principle of conservation of momentum for a system?
- AThe total momentum and the total kinetic energy are always conserved.
- BThe total momentum is conserved only in elastic collisions.
- CThe total momentum is conserved provided that no external forces act.
- DThe total momentum of each object in the system is the product of its mass and velocity.
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Correct answer: C. The total momentum is conserved provided that no external forces act.
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