Negative pressure & Hydrostatic paradox

In summary, negative pressure refers to a situation where the pressure within a system is lower than the surrounding pressure. It can have different effects on objects, including pulling them towards or pushing them away from the area of negative pressure. The Hydrostatic paradox is a phenomenon where the pressure at the bottom of a container filled with liquid is only dependent on the height of the liquid. It is closely related to negative pressure, as both concepts involve fluid pressure. Some real-life applications of negative pressure and the Hydrostatic paradox include using suction cups, siphoning liquids, and hydraulic systems in machinery. They are also important in fields such as engineering, physics, and medicine.
  • #1
Deathfish
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2 parts:

1. What does it mean if you get a negative gauge pressure value when calculating from manometer containing compound liquid? When calculating absolute pressure how does atmospheric pressure affect this negative pressure ie. atmospheric pressure opposes the direction of force?

2. Someone explain to me the hydrostatic paradox in simple terms for short answer question.
 
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  • #2

FAQ: Negative pressure & Hydrostatic paradox

1. What is negative pressure?

Negative pressure is a phenomenon in which the pressure within a system is lower than the surrounding pressure. This can occur in various situations, such as when a vacuum is created or when a liquid or gas is pulled away from an area with higher pressure.

2. How does negative pressure affect objects?

Negative pressure can have different effects on objects depending on the situation. In some cases, it can cause objects to be pulled towards the area of negative pressure, while in other cases it can cause objects to be pushed away. It can also cause objects to expand or contract, depending on their composition and the surrounding pressure.

3. What is the Hydrostatic paradox?

The Hydrostatic paradox refers to the phenomenon where the pressure at the bottom of a container filled with liquid is dependent only on the height of the liquid and not the shape or size of the container. This paradox is a result of the fact that liquid exerts equal pressure at all points in a stationary system.

4. How does the Hydrostatic paradox relate to negative pressure?

The Hydrostatic paradox is closely related to negative pressure, as both concepts involve the pressure exerted by a fluid. Negative pressure can be seen as a form of hydrostatic paradox, as the pressure within a system is dependent on factors such as the height of the liquid or the shape of the container.

5. What are some real-life applications of negative pressure and the Hydrostatic paradox?

Negative pressure and the Hydrostatic paradox have various practical applications in everyday life. Some examples include using suction cups to lift objects, siphoning liquids, and using hydraulic systems in machinery. They are also important concepts in fields such as engineering, physics, and medicine.

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