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Force, Work, Energy and Power — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsForce, Work, Energy and Power2 Marks
Question
Define Efficiency
✓

Answer

Efficiency: Efficiency of a machine is the ratio of the useful work done by the machine to the work put into the machine by the effort. In other words, it is the ratio of the work output to the work input.

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