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OpenStudy (anonymous):

what is the work done by the man who is climbing a ladder with a box in one hand

OpenStudy (anonymous):

A) positive B) negative C) zero D) undefined

OpenStudy (lastdaywork):

By climbing the ladder, his potential energy is increasing. Hence, the man is doing some (non-zero) work. I'll cross out (C) and (D). Your move.

OpenStudy (anonymous):

positiive

OpenStudy (lastdaywork):

Yep!!

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