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Vector Mechanics For Engineers: Statics and Dynamics 11th
A small winch is used to raise a 120 -lb load. Find ( $a$ ) the magnitude of the vertical force $\mathbf{P}$ that should be applied at $C$ to maintain equilibrium in the position shown, $(b)$ the reactions at $A$ and $B,$ assuming that the bearing at $B$ does not exert any axial thrust.