You come across an open container that is filled with two liquids. Since the two liquids have different densities, there is a distinct separation between them. Water, which has a density of ?w=1.00×103 kg/m3ρw=1.00×103 kg/m3, fills the lower portion of the container to a depth of 0.209 m0.209 m. The fluid that is floating on top of the water is 0.314 m0.314 m deep. If the absolute pressure on the bottom of the container is 1.049×105 Pa1.049×105 Pa, what is the density, ?lρl, of the unknown fluid? The acceleration due to gravity is ?=9.81 m/s2g=9.81 m/s2 and atmospheric pressure is ?0=1.013×105 PaP0=1.013×105 Pa.
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.
You come across an open container that is filled with two liquids. Since the two liquids have different densities, there is a distinct separation between them. Water, which has a density of ?w=1.00×103 kg/m3ρw=1.00×103 kg/m3, fills the lower portion of the container to a depth of 0.209 m0.209 m. The fluid that is floating on top of the water is 0.314 m0.314 m deep. If the absolute pressure on the bottom of the container is 1.049×105 Pa1.049×105 Pa, what is the density, ?lρl, of the unknown fluid? The acceleration due to gravity is ?=9.81 m/s2g=9.81 m/s2 and atmospheric pressure is ?0=1.013×105 PaP0=1.013×105 Pa.
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