In the figure, a crate of mass m = 30 kg is pushed at a cons…
In the figure, a crate of mass m = 30 kg is pushed at a constant speed up a frictionless ramp (θ = 40°) by a horizontal force F. The positive direction of an x axis is up the ramp, and the positive direction of a y axis is perpendicular to the ramp. The magnitude of F is.
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