You slide a crate up a ramp at an angel of 30 degress by, Ask an Expert

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You slide a crate up a ramp at an angel of 30 degress by exerting a 225 N force parallel to the ramp. The crate moves at a constant speed. The coefficient of friction is .28. How much work did you do on the crate as it was raised a vertical distance of 1.15m?

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