Which statement describes the effect of an inclined plane on the amount of force required to push an object? A. Objects require more force to push them up an inclined plane compared to a flat surface B. There is no way to predict the effect of an inclinded plane on the amount of force required to push an object C. Objects require less force to push them up an inclined plane compared to a horizontal surface. D. Objects require the same amount of force to push them up an inclined plane as on a flat surface

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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?”