(a) Assume that the top of your head has a surface area of 25 cm * 25 cm. Howmany newtons of force push on your head at sea level? (b) If you estimate this areato be 100 in.2, what is the force in pounds?
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) Assume that the top of your head has a surface area of 25 cm * 25 cm. How
many newtons of force push on your head at sea level? (b) If you estimate this area
to be 100 in.2, what is the force in pounds?
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