diana6695 diana6695

16-06-2021
Physics

contestada

A mechanical machine requires 210 J of work to do 115 J of work in lifting a crate. What is the efficiency of the machine?

Respuesta :

simon1576 simon1576

16-06-2021

Answer:

efficiency is equal to work output over work input times 100 ÷ so the answer for this question is 54.7 percent

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