Figure P14.15 Problems 15 and 16.
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.
Rewiew. The tank in figure P14.15 is filled with water of depth d=2.00m
At the bottom of one sidewall is a rectangular hatch of height h=1.00m
and width w=2.00 in that is hinged at the top of the hatch, (a) Determine
the magnitude of the force the water exerts on the hatch,(b) Find the
magnitude of the torque exerted by the water about the hinges.
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