Find what force is needed move the sled down

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Reference no: EM13525931

the sled (100kg) rides on a slope, 30 degrees to the horizontal. The coefficient of friction is 0.8. What force (parallel to the slope) up the slope is needed to move the sled up and what force is needed move the sled down? What are your answers if the coefficient of friction is 0.4?

Reference no: EM13525931

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