a) Use the worked example above to help you solve this problem. In a huge oil tanker, salt water has flooded an oil tank to a depth of h2 = 4.85 m. On top of the water is a layer of oil h1 = 7.75 m deep, as in the cross-sectional view of the tank as shown in the figure. The oil has a density of 0.700 g/cm3. Find the pressure at the bottom of the tank. (Take 1,025 kg/m3 as the density of salt water.) b) Calculate the pressure on the top lid of a chest buried under 3.75 meters of mud with density 1.75 103 kg/m3 at the bottom of a 11.5-m-deep lake.
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.
a) Use the worked example above to help you solve this problem. In a huge oil tanker, salt water has flooded an oil tank to a depth of h2 = 4.85 m. On top of the water is a layer of oil h1 = 7.75 m deep, as in the cross-sectional view of the tank as shown in the figure. The oil has a density of 0.700 g/cm3. Find the pressure at the bottom of the tank. (Take 1,025 kg/m3 as the density of salt water.)
b) Calculate the pressure on the top lid of a chest buried under 3.75 meters of mud with density 1.75 103 kg/m3 at the bottom of a 11.5-m-deep lake.
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