Question

DEFINE MOMENTUM . EXPLAIN THE OF CONSERVATION OF MOMENTUM WITH THE HELP OF EXAMPLE

Answer 1

Momentum can be thought as the power for when the body is moving meaning how much force it can have on another body. Example: A semi-truck full of logs has a large mass and much slow down before a light because even with a small velocity, it has a large momentum and it is difficult to stop the truck.
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Answer 2

Momentum, product of the mass of a particle and its velocity. Momentum is a vector quantity; i.e., it has both magnitude and direction.