A plate exposed to a liquid, such as a gate valve in a dam, the wall of a liquid storage tank, or the hull of a ship at rest, is subjected to fluid pressure distributed over its surface. As a chemical engineering student, you are required to consider a submerged plane surface for determining the hydrostatic for acting on it.

a. Choose and illustrate an example of a submerged plane surface considered.

b. Explain the properties of the fluid in the chosen system.

c. Determine the magnitude of the resultant hydrostatic force acting on the surface and,

d. The location of the pressure center by sketching a suitable diagram.

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