Q.

What is D’Alembert’s Paradox?

A. resistance= 0
B. drag force= 0
C. temperature = 0
D. pressure gradient= 0
Answer» B. drag force= 0
Explanation: d’alembert’s paradox states that for an incompressible and inviscid flow potential flow, the drag force is equal to zero. the fluid is moving at a constant velocity with respect to its relative fluid.
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Fluid Mechanics and Machinery

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