Question

state 1 law of impact​

Answer 1

Answer:

The First Law states, "A body at rest will remain at rest, and a body in motion will remain in motion unless it is acted upon by an external force." This simply means that things cannot start, stop or change direction all by themselves.

Explanation:

Answer 2

This means that in a perfectly elastic collision the velocity of approach of the two bodies before the impact is equal to their velocity of separation after the impact