Doubling wing surface area s while Cl, p, and v remain constant will cause lift to:

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Study for the Principles of Flight Test. Learn with flashcards and multiple-choice questions, each question includes hints and explanations. Prepare for your exam with confidence!

Multiple Choice

Doubling wing surface area s while Cl, p, and v remain constant will cause lift to:

Explanation:
Lift is proportional to the wing area when dynamic pressure (ρV^2/2) and the lift coefficient remain fixed. Using the lift equation L = q S Cl, where q = ½ρV^2, if you double the wing area S while keeping Cl and q the same, lift doubles. In simple terms, more surface area means more air the wing can support at the same pressure distribution, so the total upward force increases in direct proportion to the area. Since neither Cl, ρ, nor V changes, the lift increases by a factor of two.

Lift is proportional to the wing area when dynamic pressure (ρV^2/2) and the lift coefficient remain fixed. Using the lift equation L = q S Cl, where q = ½ρV^2, if you double the wing area S while keeping Cl and q the same, lift doubles. In simple terms, more surface area means more air the wing can support at the same pressure distribution, so the total upward force increases in direct proportion to the area. Since neither Cl, ρ, nor V changes, the lift increases by a factor of two.

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