The viewing window in a diving suit has an area of roughly 65 cm 2.(a) If an attempt were made to maintain the pressure on the inside of the suit at 1 atm, what force (N and lbf) would the window have to withstand if the diver descended to a depth of 150 m. Take the specific gravity of the water to be 1.05.(b) Repeat the calculation of Part (a) for the deepest Guiness-verified SCUBA dive.
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.
The viewing window in a diving suit has an area of roughly 65 cm 2.
(a) If an attempt were made to maintain the pressure on the inside of the suit at 1 atm, what force (N and lbf) would the window have to withstand if the diver descended to a depth of 150 m. Take the specific gravity of the water to be 1.05.
(b) Repeat the calculation of Part (a) for the deepest Guiness-verified SCUBA dive.
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