You have a container like the one shown in figure 1 from which you want to extract liquid with the help of a siphon (inverted U-shaped tube). The siphon must initially be full, but once this is done the liquid will flow until its level drops below opening A. The liquid has a density p, and a negligible viscosity. Assume that the area of the container is very large compared to the area of the tube and that both the tube at C and the container at D are open to the atmosphere. a) Using Bernoulli's equation and comparing points "D" and "C", determine the rate at which the liquid is flowing at C. b) What is the gauge pressure of the liquid at the highest point (B)? c) What maximum height H can the highest point (B) of the tube have without ceasing to have flow? d) If the liquid of density p is changed to one with density p2 where p
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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