The narrower the pipe section, the lower the pressure in the liquid or gas flowing through this section. This paradoxical fact, following from the law of conservation of energy, is called the Bernoulli principle or law.
Russian version:
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The narrower the pipe section, the lower the pressure in the liquid or gas flowing through this section. This paradoxical fact, following from the law of conservation of energy, is called the Bernoulli principle or law.
Russian version:
source
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