Calculating Thrust on Curved Surface of Cylindrical Vessel

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Homework Help Overview

The problem involves a cylindrical vessel filled with water to a height of 10 m, where the thrust on the curved surface is stated to be equal to that at the bottom. Participants are tasked with determining the radius of the vessel based on this information and given multiple-choice options.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Some participants explore the relationship between the thrust on the curved surface and the thrust at the bottom, questioning what is meant by "thrust" in this context. Others express confusion about interpreting the problem and the implications of the forces involved.

Discussion Status

The discussion is ongoing, with participants seeking clarification on the meaning of thrust in relation to the cylindrical vessel. Some guidance has been offered regarding the interpretation of forces, but no consensus has been reached on how to proceed with the calculations.

Contextual Notes

Participants note the lack of attempts from the original poster, which may indicate uncertainty in understanding the problem setup. There is also mention of the assumption that the cylinder is upright, which may influence the interpretation of forces acting on it.

Pyrus
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Homework Statement


A large cylindrical vessel contains water to a height of 10 m. It is found that the thrust acting on the curved surface is equal to that at the bottom. If atmospheric pressure can support a water column of 10 m, the radius of the vessel is:-
(a) 10 m (b) 15m (c) 5 m (d) 25 m

Homework Equations


P=F/A
Vol = πr*r*h

The Attempt at a Solution

 
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Pyrus said:
It is found that the thrust acting on the curved surface is equal to that at the bottom.
This may be a key to help you find their relation. Can you get any idea from this information?
 
Pyrus said:

Homework Statement


A large cylindrical vessel contains water to a height of 10 m. It is found that the thrust acting on the curved surface is equal to that at the bottom. If atmospheric pressure can support a water column of 10 m, the radius of the vessel is:-
(a) 10 m (b) 15m (c) 5 m (d) 25 m

Homework Equations


P=F/A
Vol = πr*r*h

The Attempt at a Solution

Since you have posted no attempt, I assume you are stuck on interpreting the question.

It certainly is strange. I assume this is an upright cylinder. By "thrust acting on the curved surface" they should mean the force acting on the cylinder walls. Since force is a vector, by symmetry, the net force is zero.
So what do you think they might mean?
 
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I stuck up in force acting on curved surface of cylinder.
 
Pyrus said:
I stuck up in force acting on curved surface of cylinder.
In understanding what they mean or in calculating it?
 

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