You are pushing a box of mass m up a rough ramp of incline angleθ (see figure). Your applied constant force F is to the right ( parallel to the floor, not the ramp). There is friction between the box and the ramp and you push with just enough force to keep the box moving at a constant velocity. a) Draw a free-body diagram for the box (don’t rotate the FBD). b) Derive an expression for the magnitude of force F in terms of μk, g, θ, and m.

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