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What are the 4 things an airplane needs to fly?

In: Airplanes and Aircraft, Technology [Edit categories]

Answer:

Lift and thrust are the two main ones...but you can add drag if you want. there is no 4th one that i know of.

Contributor:

Alex

First answer by Alex Nunan. Last edit by Alex Nunan. Contributor trust: 0 [recommend contributor ]. Question popularity: 3 [recommend question].

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