engineering recuitment MPPGCL JE 2024 Mock Test Engineering Mechanics

An effort of 100 N is applied to a machine to lift a load of 900 N. The distance moved by the effort is 100 cm. The load is raised through a distance of 10 cm. What is the efficiency of the machine ?

1
80%
2
90%
3
70%
4
60%
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