​​How do Aeroplane Fly?

Airplane wings are specially designed.
​​Coanda Effect: Coanda effect is the phenomena in which a jet flow attaches itself to a nearby surface and remains attached even when the surface curves away from the initial jet direction.
Now due to this effect the air flow around the airfoil shaped wing is curved. The section of airfoil makes the flow to follow a curvature path and generates lift. Now, the curved flow when it is convex in nature has low pressure inside the curve and higher outside the curve. 
So, due to this, pressure is lower on the upper surface and is higher on the lower surface since it follows a curved path and this difference in pressure causes lift according to Bernoulli’s principle.

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