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.
Place a beaker filled with water on the digital scale. The scale can read up to 1000 g, so you want
to make sure that there is not too much water in the beaker. Measure the mass of water without the object in it. Measure the mass of the object. Hang the object whose density you will determine, from the stand. Make sure that the object is completely submerged in the water but does not touch the bottom of the beaker. Record the reading on the scale for the combined water and object. Determine the specific density of the object.
a.) Draw the free body diagram for one of the objects when it is completely submerged
in the water.
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