Problem $3$: We study the flow through a riser which acts as a reducer. The pipe in the riser is $2\mathrm{.}5$ in$.$ and the jet that exits the reducer at B is $2$ in$.$ The flow rate through the system is $270$ gal$/$min with $1$ ft$3=7\mathrm{.}5$ gal. The system $($riser$+$ reducer$)$ and the water within it have a weight of $35$ lb$,$ which acts at G$,$ the center of gravity. Find $(20$ points$)$: $($a$)$ the pressure at B $($b$)$ the reaction force at A $($magnitude and angle from the vertical$)($c$)$ the reaction torque at A$.$

$6.$ Problem $3$: We study the flow through a riser which acts as a reducer. The pipe in the riser is $2\mathrm{.}5$ in $.$ and the jet that exits the reducer at B is $2$ in $.$ The flow rate through the system is $\backslash (270\backslash$mathrm$\{$gal$\}/\backslash$mathrm$\{$min$\}\backslash )$ with $\backslash (1\backslash$mathrm$\{$ft$\}^\{3\}=7\mathrm{.}5\backslash )$ gal. The system $($riser$+$ reducer$)$ and the water within it have a weight of $35$ lb $,$ which acts at G$,$ the center of gravity. Find $(20$ points$)$:

$($a$)$ the pressure at B

$($b$)$ the reaction force at A $($magnitude and angle from the vertical$)$

$($c$)$ the reaction torque at A $.$