A man exerts a constant force to pull a 55-kg box across a floor at a constant speed. He exerts this force by attaching a rope to the box and pulling so that the rope makes a constant angle of 36.9 degrees above the horizontal. The coefficient of kinetic friction for the box-floor interface is 0.25. What is the work done by the man if he moves the box 10m

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Solution Given Mass of the box m 55 kg Angle made by rope hor... View the full answer