Four Forces on an Airplane
- LIFT - opposed to weight, holds the aircraft in the air.
- WEIGHT - pull towards the center of the earth.
- DRAG - resistance to movement through the air
- THRUST - opposed to drag, moves the aircraft through the air.
Figure shows a picture of the NASA Glenn DHC-6 Twin Otter
which is used in Icing Research.
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Please send any comments to:
Curator:
Tom.Benson@grc.nasa.gov
Responsible Official:
Kathy.Zona@grc.nasa.gov