Question

Netwon's second law motion and Conservation of momentum.
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Answer 1

Hey friend,

Here is your answer.......

Newton's second law of motion states that force applied on a body is directly proportional to the rate of change if momentum of the body.

Law of conservation of momentum states that if no external force is applied, the momentum of the system remains constant.

Answer 2

his second law of motion say~

the rate of change of the momentum is equal to something called the "force". ...

conservation of momentum.....

the total linear momentum of a system of particles not acted upon by external forces is constant in magnitude and direction irrespective of any reactions among the parts of the system.