Question

If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this ?
A. Newton first law
B. Newton second law
C. Newton third law
D. Principle of conservation of linear momentum

Answer 1

Answer:

D.

Explanation:

Principal of conservation of linear momentum.

Answer 2

D) Principle of conservation of linear momentum

Explanation:

Principle of conservation of momentum

It states that if two objects collide, then the total momentum before and after the collision will be the same if there is no external force acting on the colliding objects.

Conservation of linear momentum is, the general law of physics, which characterizes motion in a collection of isolated objects, never changes; in other words, the total momentum of a system remains constant.

Momentum is the force necessary to bring an item to a complete stop in a unit of time and is determined by multiplying an object's mass by its velocity. The overall momentum for a collection of various items is the sum of the individual momentums.

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