Question

if action is always equal to the reaction, explain how horse can pull a cart?????

Answer 1

horse can pull a cart because it puah the cart through giving force on ground and through it the horse pull the cart forward

Answer 2

$\huge\mathfrak{\underline{\underline{Answer:-}}}$

Horse pushes the ground in the backward direction by applying force by its feet. The reaction force of ground acts on the horse cart system together and when it is large enough to overcome friction, the cart moves.