"as the speed of a moving fluid (liquid or gas) increases, the pressure within the fluid decreases."
eperiment 1
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Water flows from high pressure region to low region.
Pressure at A > Pressure at B > Pressure at C.
Experiment 2
Pressure at B becomes lowest because the speed of the water is the highest.
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Experiment 3
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Pressure at B becomes lowest because the speed of the water is the highest
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