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Minggu, 06 November 2011

Why Can Fly Aircraft

As we know that our earth in a blanket by a layer of air called the atmosphere. And understandable to every object that has a heavy can fall to earth. And what about the aircraft that weigh tons can fly?

To understand this we must understand that there are four forces acting on the aircraft during flight the lift force (LIFT) or upward force, gravity (WEIGHT) or force down, then forward force (thrust) and the backward force (DRAG).

Two of the following styles can be easily understood. Gravity (WEIGHT) work pulling things back to earth, for example if we threw rocks at the top then it will fall. Furthermore, when we ride a bicycle, it feels the resistance of the front.

Forces acting

There are two other forces acting on the aircraft during the air that LIFT and thrust both of which are key to the flight. Forces are taken into account by the designers of aircraft to overcome DRAG and WEIGHT. Lift (LIFT) is generated by the wing surfaces are designed so that the air pressure above the surface is smaller than bagiah below.

Other styles that work to keep the aircraft remain in the air is thrust. This force is attractive towards the front of the plane, this style is usually obtained from round the propeller (PROPELLER) machinery or drive a jet engine.

Style forward (thrust) and lift (LIFT) will work together to pull the plane towards the front and leave the land.

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