The total force on the plate is given by
where
"x" is the length (in m) of the element of area (expressed in terms of y)
"y" is the depth (in m) of the element of area
"w" is the density of the liquid (in N m-3)
(for water, this is w = 9800 N m-3)
"a" is the depth at the top of the area in question (in m)
"b" is the depth at the bottom of the area in question (in m)
We have:
"x=0.06\\ m"
"y" is the variable of integration
"w=250000\\ N\/m^3"
"a=0"
"b=0.06"
"F=27N"
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