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Shadowys
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Does Pascal's law only hold for fluids that obey the Bernoulli's Principle?
 2 years ago
 2 years ago
Shadowys Group Title
Does Pascal's law only hold for fluids that obey the Bernoulli's Principle?
 2 years ago
 2 years ago

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CliffSedge Group TitleBest ResponseYou've already chosen the best response.0
Are you referring to Pascal's law of constant pressure in a static fluid? Bernoulli's principle is about moving fluids, so I don't think they are necessarily related.
 2 years ago

Shadowys Group TitleBest ResponseYou've already chosen the best response.0
I was shown that Pascal's law still hold even when the liquid is in motion, i.e. in a piston, so I was thinking if there was a relationship between them.
 2 years ago

salini Group TitleBest ResponseYou've already chosen the best response.0
that small movement of piston is just transmitted motion from molecule to molecule level and cant be brought under fluid dynamics
 2 years ago

Shadowys Group TitleBest ResponseYou've already chosen the best response.0
Isn't fluid dynamics the study of dynamics of fluids, i.e. free moving molecules exactly?
 2 years ago

CliffSedge Group TitleBest ResponseYou've already chosen the best response.0
Fluid dynamics are bulk properties of the whole system in motion. Statistical mechanics and thermodynamics are needed for internal molecular actions.
 2 years ago

Shadowys Group TitleBest ResponseYou've already chosen the best response.0
Is Pascal's law contained within the realm of fluid mechanics?
 2 years ago

CliffSedge Group TitleBest ResponseYou've already chosen the best response.0
Yes. Pascal's law is for fluids (usually liquids) in a closed system (pistons, etc.). I was mixing it up with Archimedes' principle earlier when I said static fluid. The mechanics of it are still based on characteristics when the fluid is at rest. I'm sorry I'm still not able to satisfactorily answer your question. I'm trying to think of a fluid that does not obey Bernoulli's principle in order to find a counterexample.
 2 years ago

Shadowys Group TitleBest ResponseYou've already chosen the best response.0
When the velocity term in Bernoulli's equation is zero, it shows that the fliud is not flowing, and the fluid is static?
 2 years ago
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