An object of mass M-40 kg is pushed up an inclined plane with an acceleration of 0.5 m/s by a force T. The force T is parallel to the horizontal. The inclined plane forms an angle of 0-37 with the horizontal. The coefficient of kinetic friction of an object with an inclined plane is 0.20. a. Draw a free-body diagram of the forces acting on the block as it is pushed up an inclined plane. b. Determine the magnitude of the force T.

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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?”