Answer to Question #111181 in Physics for Jose

Question #111181

A machine is used with a pulley system to lift a 1,295N weight a distance of 0.975m. If the machine pulls the rope a distance of 3.85m, applying a force of 395N, find the following:

The efficiency of the system ______ (sig figs matter)

Expert's answer

"\\eta=\\frac{(1295)(0.975)}{(395)(3.85)}=0.830"

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