In Fig Q3, a solid cube of sides 0.15 m is suspended vertically by a cable and is fully immersed in a static position, within liquid of density 2000 kg m²³. Calculate the difference in hydrostatic pressure between the top and the bottom faces of the cube. Use the difference in hydrostatic pressures to calculate the net vertical hydrostatic force on the cube, showing that it is equal to the upthrust. Cable Cube Fig Q3 Liquid 0.15m
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.
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In Fig Q3, a solid cube of sides 0.15 m is suspended vertically by a cable and is fully immersed
in a static position, within liquid of density 2000 kg m-3.
Calculate the difference in hydrostatic pressure between the top and the bottom faces
of the cube. Use the difference in hydrostatic pressures to calculate the net vertical
hydrostatic force on the cube, showing that it is equal to the upthrust.
Cable
Cube
Fig Q3
Liquid
0.15m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5e3acd95-e354-4ee6-a46d-027a2e7dd951%2F62c2a139-79b7-441d-9e23-55e4005444e8%2F5enxcvw_processed.jpeg&w=3840&q=75)
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