Bernoulli’s Principle
🔹Bernoulli’s Principle
Bernoulli’s Principle states that as the speed of a fluid (liquid or gas) increases, its pressure decreases .
In aviation, “fluid” often refers to air moving over a wing.
✈️Example in Aviation
An airplane wing (airfoil) is curved on top and flatter underneath.
* Air traveling over the top surface moves faster because of the curve.
* According to Bernoulli’s Principle, faster air has lower pressure .
* Air moving underneath the wing is slower, creating higher pressure .
* The higher pressure below pushes the wing upward — creating lift .
Simple Everyday Example:
When you blow over the top of a piece of paper, the paper lifts upward because the air on top moves faster, reducing pressure, and the higher pressure below pushes it up.
FunFact: Bernoulli’s Principle is one of several factors that create lift — Newton’s Third Law also plays a role in flight.
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