A sledge loaded with bricks has a total mass of 17.8 kg and, Ask an Expert

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A sledge loaded with bricks has a total mass of 17.8 kg and is pulled at constant speed by a rope inclined at 20.4° above the horizontal. The sledge moves a distance of 20.7 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?
N

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

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