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← ScienceWhich outcome occurs when an aircraft's airspeed indicator malfunctions below stall speed?
A)Loss of lift increases rapidly✓
B)Control surfaces lock unpredictably
C)Engine efficiency improves suddenly then fails
D)Structural icing forms instantaneously rapidly
💡 Explanation
Rapid loss of lift is triggered because airflow separation occurs due to exceeding the critical angle of attack; the airspeed indicator provides vital data for maintaining lift using lift equation; therefore, exceeding critical angle causes accelerated stall, rather than locked control surfaces or icing which depend atmosphere.
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