Mechanical Efficiency
Mechanical efficiency, abbreviated as \( \eta_m \) (Greek symbol eta), a dimensionless number, is the ratio of work output to work input.
Mechanical Efficiency formula |
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\(\large{ \eta = \frac{W_o}{W_i}\; 100 }\) | ||
Symbol | English | Metric |
\(\large{ \eta }\) (Greek symbol eta) = efficiency | \(\large{dimensionless}\) | |
\(\large{ W_i }\) = input work | \(\large{ft-lbf}\) | \(\large{J}\) |
\(\large{ W_o }\) = output work | \(\large{ft-lbf}\) | \(\large{J}\) |
Tags: Efficiency Equations