Drag. Thrust. Lift. Jet engines. Propellers. Wings. This animation breaks down just exactly how an airplane flies and it’s pretty damn interesting. Each design element of the plane basically solves a law of physics and is part of the reason how an airplane can fly.
Take the shape of a wing, it produces lift from its slightly inclined and special airfoil shape. The airfoil shape of a wing deflects more air at the bottom of the wing, so when its running down a runway, for example, higher pressure and more upward force is produced below the wing vs the lower pressure and less downward force above the wing. This creates lift. Which makes flying a lot easier.
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via Gizmodo
Interesting Animation Explains How Airplanes Are Able to Fly