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- Dictionaryangle of attack
noun
- 1. the angle between the line of the chord of an aerofoil and the relative airflow: "move forwards on the stick to reduce the angle of attack"
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noun
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In fluid dynamics, angle of attack is the angle between a reference line on a body and the vector representing the relative motion between the body and the fluid through which it is moving. Angle of attack is the angle between the body's reference line and the oncoming flow. This article focuses on the most common application, the angle of attack of a wing or airfoil moving through air. Wikipedia