All Questions
Tagged with classical-mechanics pressure
102
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Work performed by hydrostatic pressure
One should be able to show mathematically that the hydrostatic work done by an environment on an object undergoing a volume change $\Delta v$ should be $p \Delta v$, where $p$ is the (constant) ...
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Finding Exterior Confining Pressure from Interior Pressure Point for a Solid Disk
Essentially, I've been wrapping the pictured object tightly with string to exert a confinement pressure on its exterior. It's been difficult however to make a good estimate of how much pressure is ...
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Stress tensor from forces
Consider a body that is acted on by a variable external force density $\vec{f}(\vec{r})$.
I want to know what the pressure and shear stress would be within the body as a result of these external ...
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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 ...
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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.), ...
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Help me understand extreme pressure
So we have the tragedy of the submersible being lost near the Titanic site.
I am trying to understand the pressure the vessel was under. I have heard the "$1$ atmosphere for every $10$ meters&...
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Isotropy of fluids vs. hydrostatic pressure (conflicting concepts to me)
The formula for absolute hydrostatic pressure on Earth is
$$
p = ρgh + p_{atm},
$$
where $ρ$ is the density of the liquid, $g$ is the gravitational acceleration, $h$ is the depth of the liquid, and $...
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Why the $\Delta$ in the definition of pressure? (fluid mechanics)
I'm an engineering student (first year) studying Physics 1 (now an introduction to fluid mechanics).
Q1
In my physics textbook, the "medium pressure" is defined as:
$$p_m = \frac{\Delta F_{\...
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Pressure force exerted by one half of the sphere into his other half
lets say we have some sphere under some pressure and I want to find what is the force pressing one-half of the sphere toward the
opposite half?,lets take one piece of area then the pressure force ...
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How is pressure affected by horizontal force in fluid?
In the situation shown above, Point A is just near the wall at negligible distance. But how is pressure at A is due to weight of water and atmospheric pressure only,why does it not have any pressure ...
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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 ...
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Why are pressure differences so deadly?
The question comes from this video https://www.youtube.com/watch?v=2w-U5wJafhg which details an incident that occurred at the Byford Dolphin Rig https://en.wikipedia.org/wiki/Byford_Dolphin
A group of ...
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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)...
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How does pressure act evenly in all directions in interactions between solids?
Pressure is a scalar quantity, and I think I understand this in the context of pressures exerted by gases and liquids. However, I struggle to understand this in the context of solids. If I use a ...
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Why does the Pascal's barrel experiment need a tall column of water?
This question is based on the content of this video .
The experiment consists of putting a tall, thin column of liquid on top of a barrel filled with water, so that the pressure caused by the large ...
