A-LevelPhysicsDynamics9702/12 · Oct/Nov 2014 · Q71 Mark
What is the principle of conservation of momentum?
AForce is equal to the rate of change of momentum.
BMomentum is the product of mass and velocity.
CThe total momentum of a system remains constant provided no external force acts on it.
DThe total momentum of two bodies after collision is equal to their total momentum before collision.
✓ Correct answer
C: The total momentum of a system remains constant provided no external force acts on it.
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