A sledge loaded with bricks has a total mass of 17.3 kg and, Ask an Expert

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A sledge loaded with bricks has a total mass of 17.3 kg and is pulled at constant speed by a rope inclined at 20.° above the horizontal. The sledge moves a distance of 19.7 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.500.

(a) What is the tension in the rope?

(b) How much work is done by the rope on the sledge?

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