According to Newton’s second law, the mass of an object is 145kg and it is accelerating at a rate of 15m/s2.  The object’s force would be___. (F=ma) Show your work.  67N 130N 160n 4. 2,175N

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”