Question

Define the terms momentum and impulse. State and explain the law of conservation of linear

momentum. Give examples​

Answer 1

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Momentum

A rough scientific definition of momentum is “a mass in motion,” a force. or it is the the quantity of motion of a moving body, measured as a product of its mass and velocity.

Impulse

In physics, an impulse is something that you apply to an object, as in the analogy given before. When you apply a force on an object, you also exert an impulse on it.

Linear Momentum

The linear momentum of a particle is defined as the product of the mass of the particle times the velocity of that particle. Conservation of momentum of a particle is a property exhibited by any particle where the total amount of momentum never changes. Linear momentum of a particle is a vector quantity.

Law of conservation of linear momentum

According to the conservation of linear momentum,

If the net external force acting on a system of bodies is zero, then the momentum of the system remains constant.

We have to remember that the momentum of the system is conserved and not that of the individual particles. The momentum of the individual bodies in the system might increase or decrease according to the situation, but the momentum of the system will always be conserved, as long as there is no external net force acting on it.

Answer 2

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