Fluid Mechanics
Advanced

Drag Force

Aerodynamic drag on a moving body.

Formula

FD=12ρv2CDAF_D = \tfrac{1}{2}\rho v^2 C_D A

Variables

\rhoDensity
vSpeed
C_DDrag coefficient
AArea

Did You Know?

Air drag rises with the square of speed, which is why fuel economy plummets at highway velocities.

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