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The Mechanism Behind Airplanes

Moving from one part of the world to any other part of the world in a matter of hours is something we all take for granted. We need to take out a minute and thank the Wright brothers for the gift that their experiments have bestowed upon us- the airplane. The commercial flights not only save time, but they also allow us to travel while staying in our comfort zones.

It is rather easy to take such a comfort for granted, what we lack is the understanding of the mechanism behind the airplanes like how they fly, what keeps them floating in the air, and many more.

You might think that the engine is the main component that makes an airplane fly. However, this is not the case. An airplane can work fine on one engine. The airplane does not automatically drop when one of its engines fails. The plane can manage to fly 50 miles when it is flying as high as 25000 feet even after the final engine fails.

 The four aerodynamics forces which help the airplanes to fly are thrust, weight, lift, and drag.

Thrust is the force caused by a jet engine, which pushes the plane forward. The air is pulled in by the jet engine and then the air is pushed out in the divergent direction. Drag is the force that acts as the opposite of thrust. It tends to slow down the airplane. For the flight to be perfect, both of these forces should be equal to each other or the thrust must be greater than the drag.

Every single object on this planet has weight and so does airplanes. The opposite force acting against weight is the lift which keeps the plane in the air. When the fluid is moving, only then drag and lift forces can exist.

The wings of the plane are the key component to make it fly. The wings enable the plane to move upwards while the engine propels the plane forward. The shapes of the airfoil depend heavily on the type of aircraft since, throughout the flight, there is a dramatic difference in the working conditions of the wing.  As a bent airfoil wing flies through the sky, it diverts air and changes the pneumatic stress above and beneath it. The upper part of the wing which is curved reduces the air pressure above it. So, when the airplane is flying forward it also moves upwards.

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