Please explain why thanks iv A gate is submerged in a reserv

Please explain why thanks

(iv) A gate is submerged in a reservoir as shown. Which of the pressure diagrams best represents the distribution of pressure on the gate?

Solution

Option (c) is correct.

Expiation:

Option (a) is incorrect because pressure at top of gate cannot be zero at there is a water height above top of gate.

Option (b) is in correct as the hydrostatic pressure always acts perpendicular to the surface.

Thus option (c) represent correct pressure distribution.

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