person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading of 592 N. As the elevator later stops, the scale reading is 4 Assume the magnitude of the acceleration is the same during starting and stopping. (a) Determine the weight of the person. (b) Determine the person's mass. kg (c) Determine the magnitude of acceleration of the elevator. m/s?

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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?”