![]() The density of the body is less than the density of the fluid. Thus, we can say Weight = Density x Volume x gįrom the above equation, we can conclude that a body shall float in a fluid under any of the two conditions. Weight = Mass x g (where g is the acceleration due to gravity and is a constant) This can be illustrated by the following equations. Now, the weight of the fluid displaced by the body is directly proportional to the volume of the displaced fluid, since the density of the fluid is constant. Thus,īuoyant force = weight of the fluid displaced by the body Now, the upward force experienced by the body is termed as the buoyant force. On the other hand, for an object that floats on the surface of the fluid, the weight of the fluid displaced by it, is equal to the weight of the object. For an object that is completely submerged in a fluid, the weight of the fluid displaced by it is less than its own weight. Here the term ‘fluid’ refers to all liquids and gases. The Archimedes’ principle states that any object, wholly or partially immersed in a fluid, experiences an upward force equal to the weight of the fluid displaced by it. So, what is the Archimedes’ Principle all about? Principle of Flotation: Definition ![]()
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