Atmospheric pressure

Concept of Pressure

In this simulation it is possible to observe how the pressure that an object exerts on its base changes when the weight of the object or its contact surface changes.
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Torricelli's experiment

The first person to measure atmospheric pressure was the Italian scientist Torricelli. He drags the mercury tube into the vessel and checks what happens to its level depending on the atmospheric pressure of the planet.
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Pascal's principle

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