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The Principle Of Straws
Publish Time：
2026-04-17
A straw uses the principle of atmospheric pressure. When used, it sucks some air away from the straw, causing the pressure inside the pipe to decrease. In order to balance the pressure, the strong atmospheric pressure will force the liquid inside the pipe to rise. When the inhalation stops, the liquid inside the tube drops and the pressure returns to equilibrium. This is the wonderful principle and application of straws. After the invention of plastic, paper straws were replaced by colorful plastic straws due to their superior flexibility and aesthetics.
A straw uses the principle of atmospheric pressure. When used, it sucks some air away from the straw, causing the pressure inside the pipe to decrease. In order to balance the pressure, the strong atmospheric pressure will force the liquid inside the pipe to rise. When the inhalation stops, the liquid inside the tube drops and the pressure returns to equilibrium. This is the wonderful principle and application of straws. After the invention of plastic, paper straws were replaced by colorful plastic straws due to their superior flexibility and aesthetics.
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