Prob. $6\mathrm{.}3-29.$ For beam $AE$ in Fig. I$\text{'}6\mathrm{.}3-18,($a$)$ sketch shear

and moment diagrams, and $($b$)$ determine the maximum

flexural stress in the beam.

P$6\mathrm{.}3-18,$ P$6\mathrm{.}3-29,$ and P$6\mathrm{.}3-39$