Discussion
The Kutta-Joukowski theorem relates lift per unit span to
Answer: A
Correct answer: Density, free-stream velocity and circulation
\[ L' = \rho_\infty V_\infty \Gamma. \] The theorem is remarkable for what it leaves out: the shape of the body appears only through the circulation it generates. Any two bodies with the same circulation in the same stream produce the same lift, whatever they look like.
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