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JAMB UTME
A machine whose efficiency is 75% is used to lift a load of 1000N.
Calculate the effort put in to the machine if it has a velocity ratio of 4.
Calculate the effort put in to the machine if it has a velocity ratio of 4.
A.
333.33 N
B.
334.33 N
C.
343.32 N
D.
233.33 N
Answer: A
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