The horizontal beam shown in Figure Q$3($a$)$ has a uniform cross$-$section as shown in Figure Q$3($b$).$ The second moment of area, for the beam section about its major axis, I$=6\mathrm{.}45$ x $108$ mm$\text{'}.($a$)$ For the loading shown:$($i$)$sketch the deflected form, indicating points where the deflection, slope or curvature are zero,