on top of a m2 - 10.0-kg block (figure). A horizontal forc e of F 45.0 N is applied to the 10.0-kg block, and t kg block, and the 5.01-kg block is tied to the A m1 wall I. The coefficient of kinetic friction between all moving surfaces is 0.182. m,

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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?”