If I make a water barometer, I find that the water column is 10.3 m high. Corn syrup is denser than water. If corn syrup is used to make a barometer on a day when atmospheric pressure is normal, the height of the corn syrup column would be a) more than 10.3 m. b) 10.3 m. c) less than 10.3 m. Hint: Normal atmospheric pressure = 101325 Pa, density of water = 1000 kg/m3, density of corn syrup is 1400 kg/m3
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.
If I make a water barometer, I find that the water column is 10.3 m high. Corn syrup is denser than water. If corn syrup is used to make a barometer on a day when atmospheric pressure is normal, the height of the corn syrup column would be
a) more than 10.3 m.
b) 10.3 m.
c) less than 10.3 m.
Hint: Normal atmospheric pressure = 101325 Pa, density of water = 1000 kg/m3, density of corn syrup is 1400 kg/m3
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