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How does a Wing work?

 

The shape of the wing is key to providing the most lift. There are many different types of shaped wings available depending on the role of the aircraft. For commercial aircraft ,the top half of the wing is currved where at the bottom half is flat. This means that the air above the wing has to travel a longer distance in the same amount of time. This causes the air above the wing to travel faster than the air below the wing. This leads to pressure differences on either side of the wing. The top half of the wing would experience a low pressure where as underneath would expereince high pressure. This generates lift, but of course this can only happen with speed which come from the engines (If you don't already know that.)

Lift

Lift of an aircraft occurs when the aircraft reaches a sertain speed. This would mean that sufficient amounts of air are passing over the wings to generate the lift.