Question

What is the principle of conservation of momentum explain it by some examples.

Answer 1

Answer:

it says the second law of Newton

conservation of momentum that is mass should be conserved. as mass can never be created nor be destroyed and this is in the case of velocity too

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Answer 2

Principle of the conservation of momentum. The Principle of the Conservation of Momentum states that: if objects collide, the total momentum before the collision is the same as the total momentum after the collision (provided that no external forces - for example, friction - act on the system).