- Common Core Math Alignment. Geometric measurement: understand concepts of angle and measure angles. Geometric measurement: understand concepts of volume and relate.
- Definition of ANGLE OF ATTACK: the acute angle between the direction of the relative wind and the chord of an airfoil. ADVERTISEMENT. First Known Use of ANGLE OF ATTACK.
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The angle between the stick and the yarn indicates angle of attack. The exact alignment of the indicator stick relative to the airplane is not critical.
In fluid dynamics, angle of attack (AOA, or (Greek letter alpha)) is the angle between a reference line on a body (often the chord line of an airfoil) and the vector.