$11.$ Ch $12.$ Two identical ladders are $4\mathrm{.}0$ m long and weigh $600.$ N each. They are connected by a hinge at the top and are held together by a horizontal light bar, $2\mathrm{.}00$ m above the smooth floor forming a symmetric $"\backslash ($ A $\backslash )"$ frame arrangement. The apex angle between the ladders is $\backslash (50\mathrm{.}0^\{\backslash$circ$\}\backslash )$ and both ladders are uniform and have their center of gravity at their midpoint. A person of $80\mathrm{.}0$ kg is standing at a point $1\mathrm{.}00$ m from the top. Determine the tension in the bar.

could you explain the set up please?