A 8.60 kg sphere of radius 6.22 cm is at a depth of 2.22 km inseawater that has an average density of 1025 kg/m3.What are the(a) gauge pressure, (b) total pressure, and (c) corresponding totalforce compressing the sphere’s surface? What are (d) the magnitudeof the buoyant force on the sphere and (e) the magnitude ofthe sphere’s acceleration if it is free to move? Take atmosphericpressure to be 1.01 * 10^5 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.
A 8.60 kg sphere of radius 6.22 cm is at a depth of 2.22 km in
seawater that has an average density of 1025 kg/m3.What are the
(a) gauge pressure, (b) total pressure, and (c) corresponding total
force compressing the sphere’s surface? What are (d) the magnitude
of the buoyant force on the sphere and (e) the magnitude of
the sphere’s acceleration if it is free to move? Take atmospheric
pressure to be 1.01 * 10^5 Pa.
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