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April 27, 2015

Homework Help: physics

Posted by Anonymous on Wednesday, May 18, 2011 at 11:09am.

The engine weighs 4500 newtons and it is lifted 1.5 meters up by the block and tackle system. To accomplish this, the mechanic must apply a force of 225 newtons while pulling a total of 37.5 meters of chain through the block and tackle pulley system
What is the work done by the mechanic?

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