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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 (unklerhaukus):
you cannot have a force without something moving (accelerating) , two moving objects are required
OpenStudy (turingtest):
Yeah I considered that, but the question seems a little hazy. You are possibly right though unkle.
OpenStudy (unklerhaukus):
This question is worded confusingly. But i am sure the correct answer is B. or C.
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