Chemical Engineering - Fluid Mechanics - Discussion

The correct answer is: accelerating frictionless.

Explanation:
Pascal’s Law states: > In a fluid at rest or in uniform motion, any pressure applied at a point is transmitted equally in all directions.

Applicability of Pascal’s Law:

Fluid Condition - Pascal’s Law Applicable => Reason

Static fluid - Fundamental case => law is based on fluids at rest.
Uniformly moving fluid - No acceleration ⇒ behaves like a static fluid (in an inertial frame).

Pascal's Law states that the pressure applied to a fluid in a closed container is transmitted equally to all points in the fluid and act in all directions of the container. Pascal's Law is applicable to both solids and liquids.

F = PA; where F=applied force, P=pressure transmitted, and A=cross-sectional area.

NO, During derivation of the Pascal's law the condition is assumed of static liquid. The static liquid can not sustain any shear stress i.e. tangential force is absent. How does pressure increase when we increase the depth of a liquid, but Pascal's Law states that pressure is always equal?

Pascal's law is not applicable for an accelerating fluid.

It specifically applies to fluids at rest, where pressure changes are transmitted uniformly in all directions. In an accelerating fluid, the pressure distribution can vary due to the influence of the acceleration.

Pascal law is all about static fluid. How come answer is none of this?

Pascal law applicable only to static fluids, so the answer is B.

According to me, the answer should be A or C.

I think A is the right answer.

The Answer should be A.