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In this video, I will teach you how to use Bernoulli's equation and calculate pressure changes during flow. Bernoulli's (or Bernoulli's) equation is a variation of the law of conservation of energy for fluids. It says that the sum of potential, kinetic, and pressure energy is constant. Velocity is related to the change in cross-section by the continuity equation, so we will use this equation often here. As a consequence of Bernoulli's equation, we can take it that when the velocity increases due to the decrease in cross-section, the pressure in the liquid decreases and vice versa. You can also find this video on the Onlineschool.cz website at https://onlineschool.cz/fyzika/bernou... Subscribe so you don't miss any new videos! https://www.youtube.com/c/onlineschoo... You can follow my work on Facebook: / onlineschoolcz You can find all videos from mathematics and other technical subjects at https://onlineschool.cz