what is bernoulli's theorem. and give suitable example...????
Answers
Bernoulli's principle, also known as Bernoulli's equation, will apply for fluids in an ideal state. Therefore, pressure and density are inversely proportional to each other. This means that a fluid with slow speed will exert more pressure than a fluid which is moving faster.
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Bernoulli’s principle, also known as Bernoulli’s equation, will apply for fluids in an ideal state. Therefore, pressure and density are inversely proportional to each other. This means that a fluid with slow speed will exert more pressure than a fluid which is moving faster.
In this case, fluid refers to not only liquids but gases as well. This principle forms the basis of many applications. Some very common examples are an aeroplane that tries to stay aloft or even the most common everyday things such as a shower curtain billowing inward.
The same phenomenon happens in the case of the river when there is a change in the width of the river. The speed of the water decreases in wider regions whereas the speed of water increases in the narrower regions.
You will think that the pressure within the fluid will increase. However, contrary to the above statement, the pressure within the fluid in the narrower parts will decrease and the pressure inside the fluid will increase in the wider parts of the river.
Swiss scientist Daniel Bernoulli while experimenting with fluid inside the pipes led to the discovery of this concept. He observed in his experiment that the speed of the fluid increases but the internal pressure of the fluid decreases. He named this concept as Bernoulli’s principle.
Definitely, the concept is difficult to understand and quite complicated. It is possible to think that the pressure of water will increase in tighter spaces. Indeed, the pressure of water increases in the tighter spaces but pressure within the water will not increase.
Thus, the surrounding of the fluid will experience the increase in the pressure. The change in the pressure will also result in the change in speed of the fluid
example of Bernoulli's principle is the wing of an airplane; the shape of the wing causes air to travel for a longer period on top of the wing, causing air to travel faster, reducing the air pressure and creating lift, as compared to the distance traveled, the air speed and the air pressure experienced beneath the .
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