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Drag coefficient is denotes as_______

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+1 vote
in Fluid Mechanics by (118k points)
Drag coefficient is denotes as_______

(a) Cd

(b) Bc

(c) Dc

(d) Tc

This question was addressed to me in an online interview.

My question is taken from Drag on a Sphere topic in section Boundary Layer Flow & Forces on Sub-merged Bodies of Fluid Mechanics

1 Answer

+2 votes
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Best answer
The correct choice is (a) Cd

For explanation: In fluid dynamics, the drag coefficient has no dimensions. It is a dimensionless quantity. Drag coefficient is used to quantify the resistance of an object in a fluid environment. It is mainly used in air and water. It is denoted as Cd.

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