1)Explain second law of motion as rate of change of momentum
2)express impulse as change in momentum
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The rate of change of momentum of an object is directly proportional to the resultant force applied and is in the direction of the resultant force. The resultant force is equal to the rate of change of momentum.
An object's change in momentum is equal to its impulse. Impulse is a quantity of force times the time interval. ... We express momentum as p=mv, where p is momentum, m is mass in kilograms, and v is velocity in meters per secon
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