A sledge loaded with bricks has a total mass of 186 kg and, Ask an Expert

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A sledge loaded with bricks has a total mass of 18.6 kg and is pulled at constant speed by a rope inclined at 19.6° above the horizontal. The sledge moves a distance of 20.4 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.500.

How much work is done by the rope on the sledge?

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