Question

The law of conservation of momentum states that, if left alone, the total momentum of two interacting objects that make up a system

Answer 1

The correct answer to the question is : The total momentum of two interacting bodies must be constant always.

EXPLANATION:

Before going to answer this question, first we have to understand the law of conservation of momentum which is a universal phenomenon.

As per law of conservation of momentum, the total momentum of an isolated system is always constant.

An isolated system means a system which is free from external forces. Hence, as long as no external force is done on the body, both angular momentum as well as linear momentum always remain constant.

As per the question, there are two bodies which constitute a system.Hence, the total momentum of the interacting bodies must be constant always.

Answer 2

The law of conservation of momentum states that momentum is conserved in an isolated system of colliding bodies.

What is the law of conservation of momentum?

The law of conservation of momentum states that in an isolated system of colliding bodies, the momentum before and after collision remains constant or that momentum is conserved.

Since momentum us the product of mass and velocity, the law of conservation of momentum can be stated as :

• m1v1 = m2v2

Therefore, the law of conservation of momentum states that momentum is conserved in an isolated system of colliding bodies.

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