(a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 32.8 m. Assume the density of the water is 1.00 x 10 kg/m3 and the air above is at a pressure of 101.3 kPa. Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. Pa diameter of 42.0 cm? (b) What force is exerted by the water on the window of an underwater vehicle at this depth if the window is circular and has Need Help? Read It
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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