Question

if action is always equal to reaction explain how a horse can pull a cart​

Answer 1

A action is always equal to the reaction, explain how a horse can pull a cart. A horse pushes the ground in the backward direction. According to Newton's third law of motion, a reaction force is exerted by the Earth on the horse in the forward direction. As a result, the cart moves forward.

Answer 2

Answer:

the horse pushes backward on the ground so the ground pushes FORWARD with an equal force. it's totally the ground which allows a horse to pull cart.