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OpenStudy (anonymous):
Which of the following must occur in order for work to be done? A. The object must use a machine. B. The object must move. C. The object must make another object move. D. The object must not move.
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OpenStudy (anonymous):
object must move so B.
OpenStudy (angela210793):
B
OpenStudy (anonymous):
Work = force * displacement and so for displacement to occur, object must move
OpenStudy (anonymous):
The work done on an object is the product of the average force on it and the distance traveled in the direction of the force. So not D. In C work is being done on the second object. Etc
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