All Questions
Tagged with classical-mechanics pressure
14
questions with no upvoted or accepted answers
5
votes
3
answers
878
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Why does air get trapped below water pouring into a glass?
The drinking-water-tap at my workplace has a low pressure continuous stream of water. When I pour water into a glass which has at least about (depth) 5cm of water in it, surprisingly large air bubbles ...
- 510
2
votes
0
answers
259
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Internal moment in the hull of a pressure vessel
This question is related to the course structural analysis. As part of our exam grade every student has been given different multiple homework assignments which we have to solve.
One of the problems ...
- 21
1
vote
0
answers
171
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Functional relationship of pressure and position(1d)
so today I started doing my research on oscillations in a course on advanced mechanics. The experiment was to mathematically model the speed of sound in air and experimentally prove the usability of ...
- 31
1
vote
0
answers
88
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If air was significantly compressed, and then the force compressing it suddenly disappeared (no container), what would happen?
Question:
If air was significantly compressed, and then the force compressing it suddenly disappeared (no container), what would happen?
Side Question:
I'm imagining significantly compressed, but ...
- 11
0
votes
0
answers
48
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Fluid Pressure on a curved surface
In this question (b) , I was not able to understand why the upward thrust on the flat surface of the hemisphere will be piR^3, because the "2/3 pi R^3" amount of water has been occupied by ...
- 374
0
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0
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47
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Problem while calculing the bending torque of internal air pressure in a soft actuator
this is a question I cant resolve while looking a paper I needed for my undergraduate thesis.
In this image (from Modeling of Soft Fiber-Reinforced Bending Actuators, Panagiotis Polygerinos et al.), ...
0
votes
1
answer
169
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Pressure exerted by a photon
According to several sources, momentum of a photon is $\dfrac{h}{\lambda}$.
While doing some reading on radiation pressure. I came across this wikipedia page where it was stated that "pressure ...
- 232
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0
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31
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Uniform stress toroidal pressure vessel shape
For simply connected surfaces of revolution and uniform stress the shape is a hollow sphere.
What should the shape or thickness variation be for a hollow torus ( like an automobile inflated inner tube)...
- 1,032
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votes
1
answer
36
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Support Reactions of Columns placed on Hydraulic bed (same pressure) with Unequal Loading
Suppose columns are supported on a deck with hydraulic cylinders which are coupled together with the same pressure. These columns are loaded with unequal loads F1 and F2 (F1 > F2). Will the ...
0
votes
1
answer
248
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Dissolving air in water using a bicycle pump
Forgive me if this is dumb.
I connect the bicycle pump tube through a hole in a water bottle cap (half-filled with water) and place it in the water and then completely seal the setup. Then I press ...
- 340
0
votes
1
answer
96
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Formula for pressure using this equation for force
I have for a plane surface the following equation for force.
$$F(x)=b \rho lxg$$
Where the force moving along the $y$ coordinate doesn’t change. I need to calculate the pressure in an area in the ...
- 11
0
votes
1
answer
54
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Understanding the relationship between $P=F/A$ in brain ventricles
Humans have a hollow space (see the colored part in the diagram below) inside our brain where cerebrospinal fluid is produced and circulated.
A disease exists called "normal pressure hydrocephalus" ...
- 121
0
votes
1
answer
20
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How do you draw the force in a clamped connection of 2 cilinders?
Something like this:
There is pressure between the cilinders, and for some calculations we use the formula p=F/A, therefore F=p*A
If you were to draw the force F, where would you draw it?
If the ...
- 139
-1
votes
1
answer
555
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Membrane shape under pressure
If I have a circular membrane that is fixed by the edges and then I apply a uniform pressure to the membrane (let's say the membrane is the top of a circular chamber that has a rigid wall and flat ...
