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lissydoll13
 one year ago
A 150 N boy rides a 60 N bicycle a total of 200 m at a constant speed. The frictional force against the forward motion of the bicycle equals 35 N. How much work does the boy do? Explain.
lissydoll13
 one year ago
A 150 N boy rides a 60 N bicycle a total of 200 m at a constant speed. The frictional force against the forward motion of the bicycle equals 35 N. How much work does the boy do? Explain.

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ivancsc1996
 one year ago
Best ResponseYou've already chosen the best response.0Well to move the only thing that the boy must do is beat the friction force. So if work is distance times force then:\[W=Fx=35N200m=7000J\]
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