A cardboard box is released to slide down a wooden ramp. The ramp is tilted at 28°; the kinetic coefficient of friction between the ramp and the box is a) Draw the three forces acting on the box by adding them to the diagram. μk = 0.34. b) Define a suitable coordinate system. c) Complete the force equations and calculate the acceleration of the box down the ramp

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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?”