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# Bernoulli's Principle Bernoulli's principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid's potential energy. $\boxed{P + \frac{1}{2} \rho v^2 + \rho gh = \text{constant}}$ * $P$ = Pressure * $\rho$ = Density *...

# Bernoulli's Principle Bernoulli's principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid's potential energy. $\boxed{P + \frac{1}{2} \rho v^2 + \rho gh = \text{constant}}$ * $P$ = Pressure * $\rho$ = Density * $v$ = Velocity * $h$ = Height Air travels faster over the top of the wing, decreasing pressure, resulting in lift. *Faster moving air = Lower pressure* *Slower moving air = Higher pressure* # Venturi effect The Venturi effect is the reduction in fluid pressure that results when a fluid flows through a constricted section (or choke) of a pipe. As air flows into the narrower pipe, its speed increases, decreasing pressure, allowing the liquid to rise and mix with the air flow.