4. A ship having a displacement of 25,000 metric tons enters a harbor of fresh water. The ship captain recorded a draft of 8.4 m while the ship was still in seawater. Obtain the draft in meters of the ship in fresh water if the horizontal section of the chin below the waterline is 3 000 m2 in both instances
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.
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