You are working on a row machine. Each time you pull the rowing bar ( which simu

Question

You are working on a row machine. Each time you pull the rowing bar ( which simulates the oars) toward you, it moves a distance of 1.2 m in a time of 1.5 s . The readout on the display indicates that the a stage power you are producing is 82 W. What is the magnitude of the force that you exert on the handle? You are working on a row machine. Each time you pull the rowing bar ( which simulates the oars) toward you, it moves a distance of 1.2 m in a time of 1.5 s . The readout on the display indicates that the a stage power you are producing is 82 W. What is the magnitude of the force that you exert on the handle?

Explanation / Answer

spped V = s/t = 1.2/1.5 = 0.8 m/s

now apply Power P = Force* velocity

so F = 82/0.8

F = 102.5 N

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