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A 400 lb load of bricks is to be lifted to the top of a scaffold 30 feet high.

How much work to lift it?

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Alex V. | College doesn't make you smart. College teaches you to be resourceful.College doesn't make you smart. College ...
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Work = Force x Distance
 
= (400 lb) x (30 feet) 
 
= 12000 ft-ib