coefficient of drag

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A unitless number, which indicates a body's ability to generate fluid resistance (see drag). The coefficient of drag for a human body and other asymmetrical objects, is usually found experimentally in a wind tunnel. The magnitude of the coefficient depends on the shape of the body and its orientation relative to fluid flow. The coefficient of drag generally decreases as the shape of the body becomes longer and more streamlined.

Subjects: Sports and Exercise Medicine.

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