# What is efficiency of a machine?

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What is efficiency of a machine? Establish a relation between efficiency, M.A. and V.R.

answered Dec 6, 2018 by (-11,268 points)

The ratio between work output and work input is called efficiency.

Relation between, M.A., V.R. and Efficiency : Let a machine overcome a load L by applying an effort E. In time t, the displacement of effort is dE and displacement of load is dL. Then