Bill pushes a 150.0 kg box 6.00 meters up a 28.0 ̊ incline at a constant speed. Suppose the coefficient of kinetic friction between the incline and the box is 0.250. While the block moves up the ramp, there are 4 forces acting on it: the force of Bill’s push, the force of Earth’s gravity, the normal force from the ramp, and kinetic friction. 1) Find the work (in Joules) done by Bill as the block moves up the ramp. 2) Calculate the total work done by all 4 forces according to the work energy theorem, Wnet = ΔK. 3) If the box moves at 75.0 cm/s as it moves up the ramp, find Bill’s power output, in units of Watts.
Bill pushes a 150.0 kg box 6.00 meters up a 28.0 ̊ incline at a constant speed. Suppose the coefficient of kinetic friction between the incline and the box is 0.250. While the block moves up the ramp, there are 4 forces acting on it: the force of Bill’s push, the force of Earth’s gravity, the normal force from the ramp, and kinetic friction. 1) Find the work (in Joules) done by Bill as the block moves up the ramp. 2) Calculate the total work done by all 4 forces according to the work energy theorem, Wnet = ΔK. 3) If the box moves at 75.0 cm/s as it moves up the ramp, find Bill’s power output, in units of Watts.
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Bill pushes a 150.0 kg box 6.00 meters up a 28.0 ̊ incline at a constant speed. Suppose the coefficient of kinetic friction between the incline and the box is 0.250. While the block moves up the ramp, there are 4 forces acting on it: the force of Bill’s push, the force of Earth’s gravity, the normal force from the ramp, and kinetic friction.
1) Find the work (in Joules) done by Bill as the block moves up the ramp.
2) Calculate the total work done by all 4 forces according to the work energy theorem, Wnet = ΔK.
3) If the box moves at 75.0 cm/s as it moves up the ramp, find Bill’s power output, in units of Watts.
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