Water in a cylinder of height 9 ft and radius 2 ft is to be pumped out. The density of water is 62.4 lb/ft³. Find the work required if (a) The tank is full of water and the water is to be pumped over the top of the tank. Work = (include units) (b) The tank is full of water and the water must be pumped to a height 5 ft above the top of the tank. Work = (include units) (c) The depth of water in the tank is 8 ft and the water must be pumped over the top of the tank. Work = (include units)
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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