Question

even though individual momentum changes the total momentum of a system remains same. how ??​

Answer 1

Answer:

That is, no external forces act upon an isolated system of particles. ... When there is no net external force acting on a system of particles the total momentum of the system is conserved. It's that simple. No matter the nature of the interactions that go on within a given system, its total momentum will remain the same

Explanation:

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