Based on the information given, and the fact that water has a specific weight of $9790$ N$/$m$3,$ determine the vertical reaction force at B in Newtons. You must account for the weight of the gate in your calculations. The value of b represents the width of the rectangular planar surface into the page.

$=6\mathrm{.}9$ m

$=1\mathrm{.}9$ m

b $=0\mathrm{.}8$ m

L $=4\mathrm{.}2$ m

mass of gate $=40000$ kgBased on the information given, and the fact that water has a specific weight of

$9790\frac{N}{m^3},$ determine the vertical reaction force at $B$ in Newtons. You must account

for the weight of the gate in your calculations. The value of $b$ represents the width of

the rectangular planar surface into the page.

$h_1=6\mathrm{.}9m$

$h_2=1\mathrm{.}9m$

$b=0\mathrm{.}8m$

$L=4\mathrm{.}2m$

mass $of$ gate $=40000kg$