Q.

If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states that?

A. Newton’s first law
B. Newton’s Second Law
C. Newton’s Third Law
D. Principle of conservation of linear momentum
Answer» D. Principle of conservation of linear momentum
Explanation: Conservation of linear momentum. The principle that the linear momentum of a system has constant magnitude and direction if the system is subjected to no external force. Also called law of conservation of linear momentum
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