To provide generous leg room, a quarter-circular member AB is used to support a wall-mount...

To provide generous leg room, a quarter-circular member AB is used to support a wall-mounted desk CD. Neglecting the weight of the members, determine the internal forces acting on cross sections E, F, and G, which are located immediately above point A, at the midpoint of member AB, and immediately to the right of point B, respectively.

Figure P8.80