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Sholpan [36]
3 years ago
5

What is efficiency of a machine?

Physics
2 answers:
Nataly_w [17]3 years ago
7 0

Answer:

<em>Efficiency</em><em> </em><em>of</em><em> </em><em>a</em><em> </em><em>machine </em><em>is</em><em> </em><em>defined </em><em>as</em><em> </em><em>the</em><em> </em><em>ratio</em><em> </em><em>of</em><em> </em><em>output </em><em>work</em><em> </em><em>to</em><em> </em><em>input </em><em>work </em><em>in</em><em> </em><em>a</em><em> </em><em>machine </em><em>.</em><em> </em><em>It</em><em> </em><em>is</em><em> </em><em>expressed</em><em> </em><em>in</em><em> </em><em>percentage </em><em>and</em><em> </em><em>denote</em><em>d</em><em> </em><em>by</em><em> </em>

<em>η</em><em> </em><em>(</em><em> </em><em>eta</em><em>)</em><em>.</em>

Flura [38]3 years ago
6 0
Mechanical efficiency is a measure of how well the machine converts the input work or energy into some useful output. It is calculated by dividing the output work by the input work. The ideal machine has mechanical efficiency equal to unity, while the real machine has mechanical efficiency less than unity
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