3 years ago

If a system requires 150 j of input work and produces 123 J of output work, whats its effiency

1 answer:

4 0

The effiency of a machine is

(output work or energy) / (input work or energy) .

For the system described in the question, that's

(123 J) / (150 J) = 0.82 = 82% .

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