A tank containing liquid with specific gravity $1\mathrm{.}2$ is under pressure. The semi circles of

diameter $4m$ and $8m$ are$-$located at the tank as shown in figure. Find the resultant force

on$-$the curve$-$ACDE$-$due to$-$liquid$-$with$-$eonsidering$-$width of the tank is $10$m$.$