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October 22, 2014

Homework Help: Physics

Posted by fluffy on Saturday, September 9, 2006 at 10:42pm.

A 4.00kg crate is slowly lifted to a height of 1.50 m.(a)How much work is done by the lifting force? (b)against gravity? (c)by gravity?


Force = mass*acceleration
Here the acceleration is from gravity.
Work=Force*distance.

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