Asked by Jenn

a satellite is in a circular orbit at a constant velocity around the earth. how much work is done on the satellite?
Answered by drwls
None. Zero. If work was done on or by the satellite, the orbit would change. In a circular satellite orbit, motion is always perpendicular to the earth's gravity force, so no work is done.
Answered by Jenn
thank you. I thought that but was not sure
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