What is Archimedes' law of buoyancy? Explain in detail.
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Solution
Archimedes Principle
It states that a body immersed in a fluid experiences an upthrust which is equal to the weight of the fluid displaced.
In the figure, we can see that the gravitational force of the body is opposed by the upthrust provided by the fluid. So, the only force acting on the body is the a part of the weight of the body.
According to Archimedes' principle, apparent weight of a body is given by
It tells us that weight loss of the body is equal to the weight of the liquid displaced by the object.