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Which consequence results when laminar airflow assumption fails?

A)Increased drag along the airfoil
B)Decreased lift due to circulation
C)Reduced stall angle of attack
D)Delayed boundary layer transition

💡 Explanation

Increased drag results upon laminar airflow failure; *Turbulence* dramatically increases skin friction because momentum transfer rises rapidly. Therefore drag increases rather than lift decreasing from Bernoulli equation, and separation occurs sooner, rather than later delaying boundary layer development.

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