The body is immersed in a liquid when the two forces should act. The two forces are: the weight of the body acting vertically downward, and the upthrust on the body acting vertically upward. Depending on these two forces, there arise three cases. First, a body sinks in a liquid only if the density of the body (d1) is greater than the density of the liquid (d2) in which a body is kept. Second, a body just floats on a liquid when the density of the body (d1) is equal to the density of the liquid (d2) in which the body is kept. Third, a body floats keeping some parts of it out when its density (d1) is lesser than that of the liquid (d2) in which it is kept.Learn More
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