A ball, is thrown upward with an initial speed of 30 m/s from the top of a building 50 m high. • 1. Draw the free-body diagram on the ball after it is released. (Assume no air resistance). • 2. Starting with Newton’s 2nd Law of motion, determine the acceleration on the ball. • 3. Draw a sketch of the ball’s motion with all of the

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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?”