Answer to Question #189860 in Physics for nav

Question #189860

A cart packed with hollow blocks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 20° above the horizontal. The cart moves a distance of 20.0 m on a horizontal surface. The coefficient of kinetic friction between the cart and surface is 0.500. How much work is done by the rope on the cart?

Expert's answer

"W=\\mu mgd\\\\W=(0.5)(18)(9.8)(20)=1760\\ J"

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