Euler's Equation for Motion and Bernoulli's Theorem | video in HINDI | EduPoint

In this physics video in Hindi we derived the Euler's equation for motion in fluid mechanics and from this formula we derived Bernoulli's equation in fluid mechanics. The Euler's equation for steady flow of an ideal fluid along a streamline is a relation between the velocity, pressure and density of a moving fluid. It is based on the Newton's Second Law of Motion. The integration of the equation gives Bernoulli's equation in the form of energy per unit weight of the following fluid.
It is based on the following assumptions:
(1) The fluid is non-viscous (i,e., the frictional losses are zero).
(2) The fluid is homogeneous and incompressible (i.e., mass density of the fluid is constant).
(3) The flow is continuous, steady and along the streamline.
(4) The velocity of the flow is uniform over the section.
(5) No energy or force (except gravity and pressure forces) is involved in the flow.
In fluid dynamics, 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.
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With due respect your work is very great sir but this is all we have studied in our books. If you are making a video then kindly explain the 'Why' in the things. Like you said here pressure is this then please explain why is pressure P on one side and P+dp on other.
Thanks

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+Chiranjib Baruah
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Water flows from higher pressure zone to lower pressure zone ..then how the fluid will be flow in s direction?

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F=ma is directly applicable to solid mass only. Because as per newton's formula force is rate of change of linear momentum. In solid, mass is fixed so we can write F=ma but for liquid it is not like that.

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What about aether (space)? Liquid? Vacuum?

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Hello Sunil Kumar Sah !
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Upar agar P+dP pressure lag raha hai to fluid ko to neechey behena chahiye na kyuki P+dP > P
Please reply sir

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sir
how to find total head
please explain

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Sir if fluid flows from high pressure to low pressure..
Then why are we taking p+dp at section B but not p-dp?
Please clear this sir🙏

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dp is added but it's value will be negative

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Hello Rahul Jha !
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Sir, Bsc. Part 1 ke physics Hons ke exam me ise direct likhte h toh marks milega na?