Asked by Holly

A mechanic uses a chain and block to lift a 875-kg engine 4.00 m to the top of the garage. The downward force in the chain over the 4.00 m distance is 5.00 x 10^4 N. How much useful work was done? Thannnkkks :)

11 years ago

Answered by Damon

Hey, I do the same problems over and over. Scroll down.

11 years ago

Answered by Damon

http://www.jiskha.com/display.cgi?id=1389907103

11 years ago

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Asked by Holly

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