$4\mathrm{.}5\mathrm{.}7$ A simply supported beam ABC is subjected to

a vertical load P acting at the end of a bracket BDE $($see figure$).$

a$)$ Draw the shear and bending moment diagrams for beam ABC.

b$)$ Now assume that the load P at E is directed to the

right. The vertical dimension BD is L$/5.$ Draw the axial force, shear, and bending moment diagrams for ABC and add slopes and beam deflections.