A machine pulls a 40 kg trunk 2.0 m up a 40 ramp at constant velocity, with the machines
Chapter 8, Problem 105(choose chapter or problem)
A machine pulls a 40 kg trunk 2.0 m up a 40 ramp at constant velocity, with the machines force on the trunk directed parallel to the ramp. The coefficient of kinetic friction between the trunk and the ramp is 0.40. What are (a) the work done on the trunk by the machines force and (b) the increase in thermal energy of the trunk and the ramp?
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