The efficiency of a machine is 80%? What does it mean?

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asked Oct 11, 2021 21.2k views

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Andrew Dolby · Answer 1 · 2021-10-12T09:44:56+0000

Answer:

efficiency is the ratio of the power ouput to the power input

Step-by-step explanation:

It compares how much energy is used to do work versus how much is lost or wasted to the environment, the more efficient the machine, the less energy wasted.

Dan Mackinlay · Answer 2 · 2021-10-15T07:07:44+0000

Answer:

It means how much input work you put into the machine, which then becomes output from the machine. So you're putting 80% of work into the machinie. To find the efficency of a machine, it's output divided by input work.

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The efficiency of a machine is 80%? What does it mean?

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