Question

Define linear momentum and show that linear momentum of a system particle is conserved

Answer 1

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This means that P = constant. So whenever the total force acting on the system of a particle is equal to zero then the total linear momentum of the system is constant or conserved. This is nothing but the law of conservation of total linear momentum of a system of particles.

Answer 2

linear momentum is the product of the mass of a moving object or a body with its constant velocity is called linera momentum
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