Public Formula Library

DRAG

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Formula name

DRAG

Description

Force of Drag

Syntax

/*Force of drag experienced by an object surrounded by a fluid (liquid or gas)*/
/*A: the cross sectional area of the object
v: velocity of the object
C_w: drag coefficient
ρ: density of the surrounding fluid */
F = 1/2 *ρ* v^2 * C_w *A

Notes

The force of drag depends of the shape of the object, its velocity, the density of the surrounding fluid and the drag coefficient. In most cases the drag coefficient is obtained from experiments.

Category / Subcategory

Physics / Hydromechanics

Creator

pbrodmann@brodmann.biz

Account

Free

Tags

Force of drag experienced fluid

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