A wedge with mass M rests on a frictionless horizontal tabletop. A block with mass m is placed on the wedge and a horizontal force F~ is applied to the wedge. There is no friction between the block and the wedge. For α = π/7, what must the magnitude of F~ be if the block is to remain at a constant height above the tabletop? (g is the magnitude of the gravitational acceleration. Take m = 1 kg, M = 5 kg and g = 10 m/s 2) (a) 29 N (b) 35 N (c) 44 N (d) 60 N (e) 104 N

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