_Drag_Forces_doc_ - Drag Forces -- Oppose motion of an...

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Unformatted text preview: Drag Forces -- Oppose motion of an object through a fluid (liquid or gas). 2 Approximate Force Laws: Linear drag: fd = bv fd v (rel. to fluid) low speeds, viscous fluids (biological microorganisms) 2 Quadratic drag: with D = 1 2 fd = Dv Cd A high speeds, low viscosity fluids (gases) Fluid's density Object's "drag coefficient" Cd Object's front cross-sectional area A ...
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This note was uploaded on 03/27/2008 for the course PHYS 1112 taught by Professor Leclair,a during the Spring '07 term at Cornell University (Engineering School).

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