A horizontal pipe with a cross-sectional area of 8.6 cm2 has a constriction with a cross- sectional area of 2.6 cm2.Water is flowing through the pipe with a speed of 3.5 m/s where the pressure is 70 cm Hg. Find the pressure in the constriction. Select one: 7 cm Hg 116 cm Hg 67 cm Hg 24 cm Hg
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.
A horizontal pipe with a cross-sectional area of 8.6 cm2 has a constriction with a cross-
sectional area of 2.6 cm2.Water is flowing through the pipe with a speed of 3.5 m/s
where the pressure is 70 cm Hg. Find the pressure in the constriction.
7 cm Hg
116 cm Hg
67 cm Hg
24 cm Hg
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