First slide

Fluid dynamics

Question

Bernoulli's principle is based on the law of conservation of

Very Easy

A

energy
B

mass
C

angular momentum
D

linear momentum

Solution

The Bernoulli's theorem is in one way the principle of conservation of energy for a flowing liquid (or gas). When an incompressible and non-viscous liquid (or gas) flows in stream-lined motion from one place to another, then at every point of its path the total energy per unit volume (pressure energy + kinetic energy + potential energy) is constant.
That is,
$P + \frac{1}{2} {ρv}^{2} + ρgh = constant$
where P is pressure, $ρ$ is density, g is gravity, v is velocity and h is height.

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