PSAD

Situation $1-$ The three$-$culvert shown are placed inside a rigid bin. Culvert $1$ weighs $2\mathrm{.}5$ kN with a diameter of $1\mathrm{.}5$ m while culverts $2$ an weighs $1\mathrm{.}7$ kN each with a diameter of $1\mathrm{.}0$ m $.$

$21.$ Determine the reaction $(kN)$ at contact surface $A.$

A$.0\mathrm{.}738$

$($b$)0\mathrm{.}387$

C$.1\mathrm{.}51$

D$.1\mathrm{.}15$

$22.$ Determine the reaction $(kN)$ at contact surface $D.$

A$.0\mathrm{.}513$

B$)0\mathrm{.}315$

C$.0$

D$.0\mathrm{.}531$

$23.$ Determine the reaction $(kN)$ at contact surface $F.$

A$.3\mathrm{.}18$

B$.3\mathrm{.}72$

C$.2\mathrm{.}73$

D$.1\mathrm{.}38$