Science
Physics

# What is bernoullis principle?

###### Answered 2008-05-17 12:49:37

As the speed of a moving fluid increases, the pressure within that fluid decreases.

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## Related Questions

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velocity and pressure have inverse relation. when velocity increases then pressure at that point decrease and vice versa.

The different paths above and below the wings of an aeroplane, where the air flows creates a suction which lifts the plane of the ground.

because it flows from cold to warm areas and around solid objects. Which is what bernoullis principle is based on. the basis of flight..

Bernoullis Princible states that the faster a fluid moves, the less pressure the fluid exerts.

That's "principle", not "principal". The idea is that the airplane's wings are shaped in such a way that the air moves faster on the top than on the bottom. As a result - and applying Bernoulli's principle - there is less pressure on the top of the wings.

The Statement: For the streamline flow of an ideal fluid,the sum of the potential energy,kinetic energy and the pressure energy per unit mass remains constant.

Bernoulli's Principle states that when a Fluid flows past an Orifice the pressure at the Orifice is REDUCED (or drops). You can see this effect by placing a clear straw in a glass of Liquid and then BLOWING across the opening of the straw. The Fluid will RISE up in the tube due to the REDUCED PRESSURE in the straw.

The faster a fluid travels the less pressure it exerts. Since the fluid (air) is traveling slower beneath the wing than the air going over the top, lift is created.

http://en.wikipedia.org/wiki/Bernoulli%27s_principle#Real_world_application

&sect; Like a airplane wing, at the top it is curved, and that creates longer distance from front to back then the straight bottom. This causes the air on top to travel farther and thus faster to reach the back, then the air underneath, is creating a difference in pressure between two surfaces

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Bernoulli's principle states that an increase in the speed of a liquid results in a decrease in pressure, and a decrease in the speed of a liquid results in an increase in pressure. This principle can be used to explain why airplanes are able to gain lift and fly. The wing of an airplane is designed to allow air to move at a faster speed over the top of the wing and a relatively slower speed across the bottom of the wing. This differential in the speed of the air over the wing and beneath the wing results in a low pressure above the wing and high pressure below the wing, causing lift and allowing the plane to fly.

"a man of principle" "the principle of jet propulsion"

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