An airplane is a powered flying vehicle with fixed wings and a weight greater than that of the air it displaces.
Think of an airplane like a bird. Just as birds use their wings to lift off from the ground and fly through the sky, airplanes use their fixed wings to generate lift and engines for propulsion.
Aerodynamics: The study of how air moves around objects, particularly important in designing aircrafts.
Propeller: A mechanical device for propelling an aircraft or boat, consisting of a revolving shaft with two or more broad-bladed fans.
Aviation: The operation, development, production, and use of aircraft.
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