A conical valve of weight 3 kN is used to stop the flow of water from bottom the tank as shown in the figure. Find the force F (in kN) required to stop the flow of water from the bottom of the tank.Correct answer is '20.12'. Can you explain this answer?

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A conical valve of weight 3 kN is used to stop the flow of water from bottom the tank as shown in the figure. Find the force F (in kN) required to stop the flow of water from the bottom of the tank.

Correct answer is '20.12'. Can you explain this answer?

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A conical valve of weight 3 kN is used to stop the flow of water from...

The FBD of the cone

Now the radius of the cone is , r = 1 × tan 30⁰= 0.577 m

F_v = F_v1 + F_v2 = (πr² * 2 – πr²*1/3) ρg

F_v = 17.12 kN

F_v + 3 = F

F = 17.12 + 3 = 20.12 kN

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A conical valve of weight 3 kN is used to stop the flow of water from bottom the tank as shown in the figure. Find the force F (in kN) required to stop the flow of water from the bottom of the tank.Correct answer is '20.12'. Can you explain this answer?

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