A load of 500 kg was lifted through a distance of 13 cm. by an effort – McqOptions

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1.	A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is
A.	50%
B.	40%
C.	55%
D.	30%.
Answer» C. 55%

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