Explain, why in a real machine the output work is always less than the input work.

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asked Oct 28, 2015 72.1k views

2 Answers

Sarasa Gunawardhana · Answer 1 · 2015-11-02T12:56:54+0000

Because some of the work input is turned into waste byproducts like heat. A simple machine has friction to overcome, and by doing that heat is created

Explain, why in a real machine the output work is always less than the input work.

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