Static pressure and hydrostatic pressure

Thread starter Shady99
Start date Apr 10, 2017
Tags

Hydrostatic Hydrostatic pressure Pressure Static Static pressure

In summary, static pressure is the force exerted by a fluid at a specific point in a system, and is influenced by factors such as fluid density, height, and gravity. It is different from hydrostatic pressure, which is a specific type of static pressure only affected by the weight of the fluid. Static pressure can be negative, and hydrostatic pressure is used in various practical applications such as measuring water depth and predicting fluid behavior in engineering and scientific fields.

Apr 10, 2017

Shady99

Hello can someone explain the difference between static and hydrostatic pressure in terms of a water in a glass

Physics news on Phys.org

Apr 10, 2017

Replusz

Hydrosatic presure: p=rho*g*h=10000*h
Static pressure: p'=p_0+o=10000h+10^5 Pa

1. What is static pressure?

Static pressure is the force exerted by a fluid at a specific point within a system. It is the result of the weight of the fluid above that point and is measured in units of pressure, such as pounds per square inch (psi) or pascals (Pa).

2. How is static pressure different from hydrostatic pressure?

Static pressure is the total force exerted by a fluid at a specific point, while hydrostatic pressure is the specific force exerted by a fluid due to its weight. In other words, hydrostatic pressure is a type of static pressure that is only influenced by the weight of the fluid.

3. What factors affect static pressure?

The main factors that affect static pressure are the density of the fluid, the height of the fluid column, and the acceleration due to gravity. Changes in any of these factors can result in a change in static pressure within a system.

4. Can static pressure be negative?

Yes, it is possible for static pressure to be negative. This can occur when there is a decrease in the height of the fluid column, resulting in a decrease in the weight of the fluid and a negative static pressure at that point within the system.

5. How is hydrostatic pressure used in real life?

Hydrostatic pressure is used in many practical applications, such as measuring the depth of water in a body of water, calculating the pressure exerted on a dam by a body of water, and predicting the behavior of fluids in a hydraulic system. It is also important in fields such as meteorology, oceanography, and engineering.