A fish tank, sitting in a vacuum, has length L$=2\mathrm{.}1$m$,$ width W$=1\mathrm{.}1$m and depth D$=0\mathrm{.}9$m and is filled completely with water of density r $=1\mathrm{.}0$g$/$cm$3$

a$.$ What is the force of the liquid on the bottom of the aquarium?

b$.$ What is the force of the liquid on the face of the aquarium that has the width of W$?$