The cantilever beam shown in the figure is subjected to a uniformly distributed force, a moment, and two concentrated forces each with magnitude P=4kN. F is a fixed support. (a) Determine reactive forces at F, and (b) draw the shear and moment diagrams. The cantilever beam shown in the figure is subjected to a uniformly distributed force, a moment, and two concentrated forces each with magnitude P=4kN. F is a fixed support. (a) Determine reactive forces at F, and (b) draw the shear and moment diagrams