$4\mathrm{.}5-21$ The beam ABC shown in the figure is simply supported at A and $B$ and has an

overhang from $B$ to $C.$

Draw the shear$-$force and bending$-$moment diagrams for beam ABC. Note: Disregard

the widths of the beam and vertical arm and use centerline dimensions when making

calculations.

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Problem $4\mathrm{.}5-21$