Question

if action is always equal to reaction explain how a horse can pull a cart explain in points maximum

Answer 1

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Answer: Statement:  Newton’s third law of motion states that when one object exerts a force on another object, the second object instantaneously exerts a force back on the first. These two forces are always equal in magnitude but opposite in direction. These forces act on different objects and never on the same object.         B . Action and reaction both are not acted on the same body. So there is no chance of cancellation.
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Answer 2

Question :-

If action is always equal to reaction explain how a horse can pull a cart explain in points maximum.

Answer :-

The horse applies force on the ground .

According to Newton's third law of motion " Every action has an equal and an opposite reaction " .

Hence the force exerted by the horse also has an opposite reaction .

The force exerted by the horse on the ground is the applied force or action.

The ground in return also exerts a force on the horse which is the reaction .

This reaction force of the ground helps to move the cart of the horse.

Hope it helps !

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