Asked by Anonymous

while rowing in a race, john uses his arms to exert a force of 165 N per stroke while pulling the .80 m. how much work does he do in 30 stroke?
Answered by jaykim
W=165*30*0.8=3960J
Answered by Anonymous
A mechanic uses a hydraulic lift to raise a 1200kg car 0.5m off the ground how much work does the lift do on the car?
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