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HELP PLEASE Silvia uses a lever to move a rock. She pushes the lever with 60 N-m of work, and it does 56 N-m of work to move the rock. What is the efficiency of the lever? (Be sure to correctly identify which number is input and which is output.) 7% 93% 107% 1.07%
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Input=60Nm Output=56Nm
Formula for efficiency\[=\frac{ output }{ input }\times100~percent\]
Now substitute the value into the formula
\[efficiency=\frac{ 56 }{ 60 }\times100\]\[=?\]solve it @noahbred
96.6666666666666666666666666666666666666666666666666666666666
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