The relative wind is pointed downward by which phenomenon?

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Multiple Choice

The relative wind is pointed downward by which phenomenon?

Explanation:
Lift is produced by deflecting air downward. That downward deflection of the airstream behind the wing tilts the inflow relative to the airplane, giving the relative wind a downward component. This downward component of the relative wind is called downwash. In simple terms, the wing pushes air downward to create lift, and the air that reaches the airplane is therefore angled downward as a result. Upwash and sidewash describe other flow deflections that occur in different regions of the flow, and turbulent wake refers to the chaotic air behind the aircraft; the downward deflection of the inflow that produces the downward tilt of the relative wind is downwash.

Lift is produced by deflecting air downward. That downward deflection of the airstream behind the wing tilts the inflow relative to the airplane, giving the relative wind a downward component. This downward component of the relative wind is called downwash. In simple terms, the wing pushes air downward to create lift, and the air that reaches the airplane is therefore angled downward as a result. Upwash and sidewash describe other flow deflections that occur in different regions of the flow, and turbulent wake refers to the chaotic air behind the aircraft; the downward deflection of the inflow that produces the downward tilt of the relative wind is downwash.

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