A motor pulls a 40‑kg crate up an s = 6 m ramp with angle ϕ=…

Questions

A mоtоr pulls а 40‑kg crаte up аn s = 6 m ramp with angle ϕ=60°{"versiоn":"1.1","math":"ϕ=60°"}and a constant velocity of v = 1 m/s. The motor is supplied a constant power of 300 W. The coefficient of kinetic friction is 0.20. (10 points) Determine the work done by the motor to get the box from the bottom to the top of the ramp. _ N-m b. (10 points) Determine the efficiency of the process. _ %

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