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Which mechanism causes increased drag when airflow exceeds an aircraft wing's laminar flow boundary?

A)Adverse pressure gradient separation
B)Decreased dynamic fluid viscosity
C)Increased favorable pressure gradients
D)Streamwise induced flow independence

💡 Explanation

An adverse pressure gradient separates the laminar flow because kinetic energy fails to overcome rising pressure, triggering turbulence; therefore, increased form drag develops, rather than reduced drag from laminar flow or simplified viscous independence.

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