If action is always equal to the reaction, explain how a horse can pull a cart?
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Explanation:
According to Newton's third law of motion, action force is equal to reaction but acts on two different bodies and in opposite directions. When a horse pushes the ground, the ground reacts and exerts a force on the horse in the forward direction. This force is able to overcome friction force of the cart and it moves.
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0
Explanation:
Horse pushes the ground in backward direction. In reaction to this, the horse moves forward and cart moves along with horse in forward direction.
In this case when horse tries to pull the cart in forward direction, cart pulls the horse in backward direction, but because of the unbalanced force applied by the horse, it pulls the cart in forward direction.
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