$\"\"$

Observe the figure :

The Depth is $\"\"$ .

The length is $\"\"$ .

Redraw the figure:

$\"\"$

The points on the $\"\"$ and $\"\"$ .

The line equation joining the points is $\"\"$

$\"\"$

Length of the strip is $\"\"$ .

The weight density of water is $\"\"$ .

The limits range from $\"\"$ to $\"\"$ .

$\"\"$

The fluid force can be calculated by using the formula : $\"\"$ .

$\"\"$

The fluid force is $\"\"$ .