n a barometer, the height of the liquid column should not be unreasonably high or low. Let us compare the heights of columns containing Hg or water at sea level to account for Hg as the liquid of choice. The equation P = hdg becomes hid₁=h2d2, when comparing the heights of 2 different liquid columns under identical conditions. If the height of a Hg (density = 13.6 g/cm³) column is 76.0 cm at sea level, what is the height of a water column at sea level? O 33.9 ft O 2.49 ft O 76.0 cm O 995 cm.
Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
In a barometer, the height of the liquid column should not be unreasonably high or low. Let us compare the heights of columns containing Hg or water at sea level to account for Hg as the liquid of choice. The equation P = hdg becomes hid₁=h2d2, when comparing the heights of 2 different liquid columns under identical conditions. If the height of a Hg (density = 13.6 g/cm³) column is 76.0 cm at sea level, what is the height of a water column at sea level? O 33.9 ft O 2.49 ft O 76.0 cm O 995 cm.
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