daniellealfano3
contestada

A simple lever is used to lift a heavy load. When a 62-N force pushes one end of the lever down 1.3 m , the load rises 0.22 m .How much work is done by the 62-N force?

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Work done by force = work done by load (W) 

60 N * 1.2 m = 0.2 m * W 

Solve for W to get 
W=60*1.2/0.2 N 
= 360 N