4. The gauge pressure underwater is the difference between atmospheric pressure and absolute pressure. Which of these expressions yields the gauge pressure in SI units at a depth of 751 meters under water of density 1000 kg/m^3? a. 1000 times 9.8 times 751 b. 1000 times 9.8 divided by 751
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.
4.
a. |
1000 times 9.8 times 751
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b. |
1000 times 9.8 divided by 751
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