A light rigid rod $XY$ carries an object of weight $W$ attached at one end. The rod is balanced in equilibrium, supported at $Z$ and against a vertical wall at $X$. As shown, the support applies a force $R$ to the rod. The diagram indicates the directions, but not the sizes, of the forces $R$ and $W$. What is the direction of the force acting on the rod at $X$?
Physics 9702 · AS & A Level · Equilibrium of forces