A horse exerts a force F on a cart,causing the cart to move with increasing speed.What force does the cart exert on the horse?
A)zero
B)F
C)greater than F
D)less than F
E)The force cannot be determined unless the acceleration is given.

Question

Quizplus · Accepted Answer

According to Newton's third law, for every action, there is an equal and opposite reaction. This means that the cart exerts a force back on the horse, and since the action and reaction forces are equal in magnitude, the force exerted by the cart on the horse is also F.

A Horse Exerts a Force F on a Cart,causing the Cart