When a horse pulls a cart, the cart also pulls it with an equal and opposite force by Newton’s third law. Explain how the cart moves forward.
Answers
According to Newton's third law ,every action has equal and opposite reaction.
The horse pushes backward on the ground, so the ground pushes forward with an equal force.Its totally the ground which allows a horse to pull Cart. By Newton's third law the cart must then exert an equal and opposite force on the horse. The horse pushes backward and the ground pushes forward...
Thats an action reaction pair...Horse is doing action and in return the ground is giving reaction resulting in the motion of horse and cart....
Hope it helps...
Question :-
If action is always equal to the reaction, explain how a horse can pull a cart?
Answer :-
The third law of motion states that action is always equal to the reaction but they act on two different bodies.
In this case the horse exerts a force on the ground with its feet while walking, the ground exerts an equal and opposite force on the feet of the horse, which enables the horse to move forward and the cart is pulled by the horse.
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