SOLUTION: Sarah does 35 N-m of work on a jack to lift her car up so she can change a flat tire. If the jack puts out 30 N-m of work, what is the jack’s efficiency?

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Question 1162258: Sarah does 35 N-m of work on a jack to lift her car up so she can change a flat tire. If the jack puts out 30 N-m of work, what is the jack’s efficiency?
Answer by ikleyn(52824) About Me  (Show Source):
You can put this solution on YOUR website!
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It is the ratio of the smaller number to the greater one.