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define momentum and impulse practically.what is their role in motion?

define momentum and impulse practically.what is their role in motion?

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
3 years ago
Answer :

Momentum:
Objects in motion are said to have momentum. Momentum is a vector quantity, having a value and direction. The value of the momentum is the product of mass and velocity of the object. The direction of momentum is same as that of velocity of the object.
Momentum is changed only when an external force is applied to the body.
Impulse:
Impulse is the measure of total effect of the force.
Impulse = force*time.
Forces which act on bodies for a short time are called impulsive forces.

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