$4\mathrm{.}5-3$ Draw the shear$-$force and bending$-$moment diagrams for a cantilever beam $\backslash ($ A B $\backslash )$ carrying a uniform load of intensity $\backslash ($ q $\backslash )$ over one$-$half of its length $($see figure$).$

Problem $4\mathrm{.}5-3$