Question

Explain the concept of momentum being conserved in two bodies

Answer 1

Conservation of Momentum. The momentum of a system is constant if there is no external force acting on the system. For a collision occurring between two objects in an isolated system, the totalmomentum of the two objectsbefore the collision is equal to the total momentum of thetwo objects after the collision.

Answer 2

If the two object stick together after the collision and move with a common velocity, then the collision is said to be perfectly inelastic.

Note: In collision between two isolated abjects momentum is always conserved. kinetic energy is only conserved in elastic collision.

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