Multiple choice general knowledge science & technology

An airplane 'stall' is due to which of the following factors?

  1. Air speed

  2. Ground speed

  3. Wind speed

  4. Angle of attack
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A stall occurs when the angle of attack exceeds the critical angle, causing smooth airflow over the wing to separate and lift to decrease dramatically. It's unrelated to airspeed, ground speed, or wind speed directly - a stall can happen at any speed if the critical angle is exceeded.

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