Give three practical applications of Archimedes principle.
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Solution
Archimedes principle states that “The upward buoyant force that is exerted on a body immersed in a fluid, whether partially or fully submerged, is equal to the weight of the fluid that the body displaces and acts in the upward direction at the center of mass of the displaced fluid”.
Three practical applications of Archimedes principle:-
Archimedes' principle is used in designing of ships and submarines. They are to be made of a specific dimensions so that in spite of the large value of density of steel, the ship would float in water.
Lactometer also work on Archimedes' principle as adulteration causes a change of density which can easily be identified using this device.
Archimedes' principle provides the principle of working of a hydrometer, which is used to determine the density of fluids using water.