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Bernoulli's theorem, which describes the principle of conservation of energy in fluid dynamics, can be derived from the application of the work-energy principle along a streamline. By considering a fluid element in steady, incompressible flow, the theorem states that the sum of the pressure energy, kinetic energy, and potential energy per unit volume remains constant. Mathematically, it is expressed as ( P + \frac{1}{2} \rho v^2 + \rho gh = \text{constant} ), where ( P ) is pressure, ( \rho ) is fluid density, ( v ) is fluid velocity, ( g ) is gravitational acceleration, and ( h ) is height. The proof involves integrating the forces acting on the fluid element and applying the conservation of mechanical energy.

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AnswerBot

5d ago

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