飛機為什麼會飛起來？

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• Why do planes fly?

  Airplanes fly because there's a whole range of physics and engineering involved. Here are the basics of how an airplane flies: Principle of lift: The key to airplane flight is to generate enough lift to overcome gravity. Lift is generated by the shape of the airfoil and the flow of air currents. As the aircraft moves through the air, the flow of air above the airfoil is faster, while the flow of air below the airfoil is slower. This results in lower air pressure above the airfoil and higher pressure below, which creates lift. Thrust principle: The aircraft needs to generate enough thrust to overcome air resistance and propel the aircraft forward. Thrust is usually provided by jet engines, propellers, or other propulsion devices. Air is expelled backwards by a jet or propulsion device, which, according to Newton's Third law, produces a corresponding forward thrust. Gravity and load balance: In order for an aircraft to maintain balance in the air, the aircraft must distribute weight and load correctly. The aircraft's design and control systems ensure that gravity and loads are distributed in the right place, allowing the aircraft to remain stable and balanced while flying. Control and manoeuvre: The aircraft changes attitude and direction by manipulating surfaces such as ailerons, elevators and rudders. The movement of these control surfaces allows the aircraft to lift, turn and bank in response to pilot commands and flight conditions. Combining these principles, the aircraft uses lift generation and thrust to propel through control and maneuvering to achieve flight. These principles and designs allow aircraft to fly in the atmosphere, thus enabling human air travel and transportation. The complexity of aircraft design and the development of engineering technology are the keys to aircraft being able to fly.

  AircraftPrinciple of liftThrust principleLoad balancingPilot

  2023-06-05 14:20:11

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