Answer to Question #123927 in Physics for Susan Williams

Question

Define 'momentum' and 'impulse of a force'

Answer 1

In the classical mechanics, the momentum is defined in the follwing way.

Momentum is the product of the mass and velocity of the body:

$$\mathbf{p} = m\mathbf{v}$$

The impulse of a force is defined in the following way.

The impulse of a force is the integral of the force over the time interval for which it acts:

$$\mathbf{J} =\int^t_0\mathbf{F}dt$$