P= Pressure
Patm= Atmospheric pressure
h= Depth
p= Density of liquid
g= Gravitational Field Strength
The pressure exerted by a liquid is the same in all directions at the same depth
The pressure exerted by a liquid increases with increase in depth.
The pressure exerted by a liquid is perpendicular to the surface of the container.
The pressure exerted by a liquid is independent of the size or shape of the container.
For pressure in a static liquid:
p = (rho) * g * z,
where rho is the density of the fluid (=1000kg/m^3 for water), g is the gravitational constant (9.81m/s^2), and z is the height of fluid.
Example. I have a swimming pool, 2 meters of heigth, filled with water. The static pressure at the buttom is then 1000 * 9.81 * 2 = 19.62 kPa
The force per unit area of a fluid at any point at a given depth is called liquid pressure.
is the force exerted on a given area
Atmospheric pressure is the surrounding pressure around us. We live in the atmosphere and treat the atmospheric pressure as the base pressure. A pressure gauge would read 0 at atmospheric pressure. When we define the pressure in scientific way of absolute pressure, we need to add up an atmospheric pressure to the measured pressure.
If you mean "guage pressure," it is the pressure of a fluid minus the atmospheric pressure.
The main difference of static pressure and dynamic pressure is:- static pressure is exerted by fluid at rest but dynamic pressure is pressure exerted by fluid in motion.
Intrapulmonary pressure will equalize to atmospheric pressure during a breathing cycle, but intrapleural pressure should always be less than atmospheric pressure.
because it has a lot of pressure in it
absolute pressure
abosulute pressure includes the atmospheric pressure while gage pressure gives the pressure above atmospheric pressure
Air has a pressure, but not a suction pressure. Air pressure is measured with a barometer, you do not calculate it. Suction pressure is a concept which applies to a pump. Suction pressure = static pressure + surface pressure - vapour pressure - friction pressure.
arterial pressure
Atmospheric pressure is the surrounding pressure around us. We live in the atmosphere and treat the atmospheric pressure as the base pressure. A pressure gauge would read 0 at atmospheric pressure. When we define the pressure in scientific way of absolute pressure, we need to add up an atmospheric pressure to the measured pressure.
A fluid will move from high pressure to low pressure.
That's the pressure on that particular area.
Absolute Pressure
Intrathoracic pressure is the pressure inside of the pleural cavity. It is also called intrapleural pressure and the normal pressure is called negative pressure.
They're 5 Kinds of Peer Pressure These are it ~ Negative Peer Pressure , Positive Peer Pressure , Heavy Peer Pressure , Indirect Peer Pressure , and Friendly Peer Pressure
No. High pressure is pressure that is higher than an established normal pressure. The pressure may be rising, falling, or remain the same
A high pressure systems has a high pressure center.