Question: In loading a fish delivery truck, a person pushes a block of ice up a 20o incline at constant speed. The push is 150 N

In loading a fish delivery truck, a person pushes a block of ice up a 20o incline at constant speed. The push is 150 N in magnitude and parallel to the incline. The block has a mass of 35.0 kg.
(a) Is the incline frictionless?
(b) If not, what is the force of kinetic friction on the block of ice?

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