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Acceleration due to gravity.
Member rating: No Rating | Words: | Submitted: Mon Jun 19 2006
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OGIDI JONATHAN. MATTERS OF MOVEMENT Acceleration due to gravity. When objects fall towards the earth their acceleration increases because of the earths gravity. This acceleration due to gravity is independent of the object's mass. A falling object, dropped from an aircraft soon reaches a high velocity. If no other forces were acting on the objects it will keep accelerating until it hits the earth's surface. However, on earth there is always some air resistance which opposes the motion of the falling object. Air resistance has little effect on compact objects moving at low speeds, but drag force increases with speed and eventually it is equal to gravitational force pulling the object towards earth. When this happens there will be no more acceleration and the object will continue to fall at a constant velocity, know as terminal velocity. Acceleration due to gravity is not the same through out the universe. In this essay am going...
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