Wed January 04, 2012 By:

If a horse is pulling a cart,the cart will will oppose the motion with an equal and opposite force; according to newtons third law of motion.So the cart and the horse should remain stationary,but that does not happen, why?

Expert Reply
Thu January 05, 2012
car applies force on the ground...ground applies equal and opposite force.and as they are aty some  angle so a component of it is responsible for forward motion in addition with friction.
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