Question: 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

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 (Fig. S.84b). What must the magnitude of F be if the block is to remain at a constant height above the tabletop?

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