Water Properties (continued)

Water Properties (continued)

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Superficial tension

Another feature of liquid water is the tension it represents on its surface. This is because water molecules attract each other, keeping together (together), as if they formed a very thin surface membrane. Look at the picture below.

Pascal's principle

Pascal was a French scientist who lived from 1623 to 1662. Among many collaborations with science, he formulated the following principle: "The pressure exerted on a liquid is transmitted integrally to all points of the liquid." Look at the picture below:

When we strongly push a cork into a bottle containing liquid, this pressure is transmitted entirely to the liquid in the container. The water pressure inside the bottle increases and pushes the other cork out.


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