Engineers have developed a bathyscaph that can reach ocean depths of 6.05 mi. If the density of seawater is about 1030 kg/m3 , what is the absolute pressure at that depth? The acceleration of gravity is 9.8 m/s 2 . Answer in units of Pa b.) If the inside of the vessel is maintained at atmospheric pressure 1.013 × 10^5 Pa, what is the net force on a porthole of diameter 19.6 cm? Answer in units of N.
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.
Engineers have developed a bathyscaph that
can reach ocean depths of 6.05 mi.
If the density of seawater is about
1030 kg/m3
, what is the absolute pressure
at that depth? The acceleration of gravity is
9.8 m/s
2
.
Answer in units of Pa
b.) If the inside of the vessel is maintained at
atmospheric pressure 1.013 × 10^5 Pa, what
is the net force on a porthole of diameter 19.6 cm?
Answer in units of N.
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