The pulling force is 100 N parallel to the incline, which
Chapter 5, Problem 5.12(choose chapter or problem)
The pulling force is 100 N parallel to the incline, which makes an angle of 20.0 with the horizontal. The coefcient of kinetic friction is 0.400, and the crate is pulled 5.00 m. (a) How much work is done by gravity? (b) How much mechanical energy is lost due to friction? (c) How much work is done by the 100-N force? (d) What is the change in kinetic energy of the crate? (e) What is the speed of the crate after being pulled 5.00 m?
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