Question

what is the usefulness of Newton's third law of motion

Answer 1

Newton's third law states :
For every action, there is an equal and opposite reaction.
Some of the uses are:.
In the game Basketball we jump up by pushing our legs on the ground, this gives an opposite reaction which push us up!
It is also used in seat belts of cars, when the person moves against the seat belt, exerting a force on it. The seat belt then exerts a force back on the person . _____________________________ Hope it helps :)

Answer 2

Explanation:

TO EVERY ACTION THERE IS ALWAYS AN EQUAL AAND OPPOSITE REACTION