When a horse pulls a cart, the force that helps the horse to move forward is the force exerted by
(a) the cart on the horse
(b) the ground on the horse
(c) the ground on the cart
(d) the horse on the ground

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Solution

(b) the ground on the horse

The horse pushes the ground in the backward direction and, in turn, the ground pushes the horse in the forward direction, according to Newton's third law of motion.

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Q. When a horse pulls a cart, the force that helps the horse to move forward is the force exerted by

When a horse exerts a force on cart , the cart exerts an equal and opposite force on the horse. Then how come the horse can manage to pull the cart ?

A horse is harnessed to a cart. If the horse tries to pull the cart, the horse must exert a force on the cart. By Newton's third law the cart must then exert an equal and opposite force on the horse. Since the two forces are equal and opposite, they must add to zero, so Newton's second law tells us that the acceleration of the system must be zero and therefore no matter how hard the horse pulls, it can never move the cart.

Q. A 500 kg horse pulls a cart of mass 1500 kg along a level horizontal road with an acceleration of

1 m / s^{2}

. If the coefficient of sliding friction between the cart and ground is 0.2, then the force exerted by the horse on the cart in forward direction is: Assume limiting friction is acting)

Which of these statements are true?

(A) The horse applies a force on the cart and the cart pulls the horse back with a force equal and opposite in direction.

(B) The horse applies a force on the cart and the cart applies a force on the ground.

(D) The two forces in option A are acting on two different bodies and don’t cancel each other.

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When a horse pulls a cart, the force that helps the horse to move forward is the force exerted by (a) the cart on the horse (b) the ground on the horse (c) the ground on the cart (d) the horse on the ground

(b) the ground on the horse The horse pushes the ground in the backward direction and, in turn, the ground pushes the horse in the forward direction, according to Newton's third law of motion.

When a horse pulls a cart, the force that helps the horse to move forward is the force exerted by
(a) the cart on the horse
(b) the ground on the horse
(c) the ground on the cart
(d) the horse on the ground

(b) the ground on the horse

The horse pushes the ground in the backward direction and, in turn, the ground pushes the horse in the forward direction, according to Newton's third law of motion.