You are pulling a child in a wagon. The rope handle is inclined upward at a 60∘ angle. The tension in the handle is 20 N. How much work do you do if you pull the wagon 110 m at a constant speed?

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Physics

Carlo Rasmussen

21 February, 22:29

You are pulling a child in a wagon. The rope handle is inclined upward at a 60∘ angle. The tension in the handle is 20 N. How much work do you do if you pull the wagon 110 m at a constant speed?

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Mikaela Simmons · Answer 1

Work is equal to the force applied times the displacement. Since you pull the wagon at constant speed this means that there is no acceleration on the wagon as it does not change speed. F=ma. Since a=0, F=0. Therefore no work has been done in this situation