what is the work done in the case of satellite moving around the earth
Anonymous:
Zero work
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when a satellite moves around the Earth in a circular path, then the force of gravity acts on it directed towards the center. ... However, the net work done over one complete orbit is 0: in some cases, work is done by gravity, in others, work is done against gravity, the total is 0.
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Gravity acts towards the center of the earth. So if the satellite moves in a circular orbit with center of earth as the orbit center the work done at any point is zero, since the force and the displacement are perpendicular.
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