Question

Question #f209e

Answer 1

Force is rate of change of momentum.

Explanation:

Force can change the velocity of any object. That means it can change the direction and/or speed of the object.

When there is change in velocity with respect to time, we call it acceleration '`a`'.

`a = (v_2-v_1)/t` ---- where `v_1` is initial velocity and `v_2` is final velocity.
and

`F= ma`--------where `m`= mass of the object.

`=> F= m ((v_2-v_1)/t)`

`=> F= (mv_2 - mv_1)/t`----using distributive property.

We know `mv= p` is momentum.

`=>F=( p_2-p_1)/t` ---Where `p_2` is final momentum and `p_1` is initial momentum.

That means force is rate of change of momentum.