$\"\"$

Observe the figure :

Depth is $\"\"$ .

$\"\"$ .

Squaring on both sides.

$\"\"$

Therefore length is $\"\"$ .

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

From the figure $\"\"$ ranges from $\"\"$ to $\"\"$ .

$\"\"$

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

$\"\"$

The fluid force is $\"\"$ .