College Physics

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Large boxes of pumpkins are set on a ramp to be unloaded out of a truck. The 300.0 lb boxes are set on the ramp which has an incline of 35 degrees. They must then be pushed to get started down the plane towards the bottom. If the coefficient of the static friction between the boxes and the ramp is .8, how much push applied parallel to the ramp is required to get one of the boxes of pumpkins moving?

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