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A load of 200 N is moved 2 m by an effor...

A load of 200 N is moved 2 m by an effort of 100 N moving through 8 m. What is the efficiency of the machine?

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`MA=(200N)/(100N)=2`, Vel. Ratio=`(d_E)/(d_L)=(8m)/(2m)=4` Efficiency=`(MA)/("Vel. Ratio")=2/4=1/2=50%`
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