A wedge of mass M makes with the an angle θ with the horizontal. The wedge is placed on horizontal frictionless surface. A small block of mass m is placed on the inclined surface of wedge. What horizontal force F must be applied to the wedge so that the force of friction between the block and wedge is Zero ?a) Mg Sin θ b) Mg Cos θ c) Mg tan θ d) Mg cot θ
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