SmartScore 99

SmartScore 86

SmartScore 92

Here's the question you clicked on:

taylorrrr

What is the efficiency of a simple machine with a work input of 80 J and a work output of 40 J? Use efficiency = (Wout/Win) x 100%. A. 2 % B. 4 % C. 10 % D. 50 %

D. 50%

Thank you!!!!!!!!

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