Question

Why does the horse bends forward to make the cart move?​

Answer 1

Due to Newton 3rd law of motion.

Every action has equal and opposite reaction.

Answer 2

Here is your answer..

The horse moves because the force he exerts with his hooves isgreater than the force of the wagon pulling him back. ... The horse pulls itforward, and there is a backward force from the ground: friction. If the horses' pull exceeds the friction of the cart, itwill accelerate.