If you stand on a scale at the equator, the scale will read slightly less than your true weight due to your circular motion with the rotation of the earth.a. Draw a free-body diagram to show why this is so.b. By how much is the scale reading reduced for a person with a true weight of 800 N?

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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?”