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In a water flowing pipeline, if the diameter of a pipe is reduced, the pressure in the line will increase. Bernoulli's theorem says that there should be a reduction in pressure when the area is reduced. What is the justification for this?
I see. Is Bernoulli's equation only applicable to fluid flow in pipes, or can it be used in other situations as well?
Bernoulli's equation can be used to analyze any situation where the flow of fluid is involved, not just in pipes. For example, it can be used to study the flow of air over an airplane wing or the flow of water in a river.