Seudónimo Seudónimo

20-01-2021
Physics

contestada

Which of the following statements is true?
Efficiency is calculated by multiplying work input and work output.
Only a few machines are 100 percent efficient.
Some machines are frictionless.
The ratio of work output to work input is always less than one.

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miamoreno874 miamoreno874

21-01-2021

its d!!!!!!!!!!!!!!!!

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jennifer6169 jennifer6169

02-02-2021

Answer:

The ratio of work output to work input is always less than one.

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