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Mathematics 21 Online
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.

OpenStudy (anonymous):

work=force x displacement

OpenStudy (anonymous):

B

OpenStudy (anonymous):

there must be a displacement

OpenStudy (anonymous):

B. The object must move, since w=f*d,a movement or displacement must be there

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