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An object of mass M is dropped near the surface of Earth such that the gravitational field provides a constant downward force on the object. Which of the following describes what happens to the center of mass of the object-Earth system as the object falls downward toward Earth?

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Answer: The object will accelerate downward with speed and momentum due to the gravitational force acting on the centre of the object until it achieve a terminal velocity. Terminal velocity is a point where the upward force of air resistance balances the downward force due to the weight of the object under gravity.

Explanation:

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