Mercury and then an unknown liquid are poured into a U-shaped tube, open at both ends, and do not mix. They come to equilibrium as shown. (Hg = 13600 kg/m3) What is the gauge pressure at the bottom of the U-shaped tube? What is the mass density of the unknown liquid?What is the absolute pressure 3.00 cm below the surface of the unknown liquid?
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.
Mercury and then an unknown liquid are poured into a U-shaped tube, open at both ends, and do not mix. They come to equilibrium as shown. (Hg = 13600 kg/m3) What is the gauge pressure at the bottom of the U-shaped tube? What is the mass density of the unknown liquid?What is the absolute pressure 3.00 cm below the surface of the unknown liquid?
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