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Why does the water level equalize in a series of tubes?

User FooBar
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The water level equalizes in a series of tubes because the pressure at the bottom of each tube is the same, and any change in one tube’s liquid level affects the pressure, which is transmitted throughout the entire interconnected system until the levels are equalized. This principle is commonly used in various applications, such as hydraulic systems and barometers.
User Vishnu Upadhyay
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