State and prove the principal of conservation of motion

1.	State and prove the principal of conservation of motion
Answer» State and prove law of conservation of MOMENTUM. Law of conservation of momentum: It STATES that total momentum of system remains conserved in the absence of external FORCE. ... Therefore, the answer DEPENDS on which end of mass, the force is applied

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State and prove the principal of conservation of motion​

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State and prove the principal of conservation of motion