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Pete slides a crate up a ramp with constant speed at an angle of 21.3 ◦...

Pete slides a crate up a ramp with constant speed at an angle of 21.3 ◦ by exerting a 256 N force parallel to the ramp. How much work has been done against gravity when the crate is raised a vertical distance of 2.3 m? The coefficient of friction is 0.232. Answer in units of J.

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