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Textbook Expert
Textbook ExpertVerified Tutor
5 Nov 2021

Given information

the shape of the water tank is given as follows:

Step-by-step explanation

Step 1.

The hydrostatic pressure of a water of density   at a depth d from the surface of the water is .

The force on a surface due to pressure   exerted is   , where   is the area of the surface being considered.

If is the angle with the horizontal made by a radius passing through a point located on the circular edge of the plate.

The depth of the point is ,The width of horizontal strip of the plate passing through the point is and the length of an infinitesimal section of perimeter around the point   making an angle   with the center of the disc is .

The height of the horizontal strip of disc that corresponds to this small section of perimeter is .Therefore, the area of the infinitesimally thin strip is  

The hydrostatic pressure at the level of point is .

 

 

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