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Define Archimedes principle. How can it be experimentally verified?

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Hint: If we go swimming, in the water, we feel a little weightless. That is because liquids exert an upward force on objects that are immersed in them. This is known as thrust, and is a consequence of the pressure difference that a liquid exerts at different heights. When we immerse an object (considering it to be fully submerged) deeper into a liquid, the pressure exerted by the liquid tends to increase but the thrust force stays the same.

Complete step-by-step answer:
The Archimedes principle states that ‘The upward buoyant force exerted on a body immersed in a fluid, partially or fully submerged, is proportional to the weight of the fluid displaced by the body and acts in the upward direction at the center of the displaced fluid's mass’.
The value of the thrust force is given by Archimedes law, which Archimedes of Syracuse of Greece discovered. Whenever an object is partially or completely immersed in a liquid, the apparent weight loss is equivalent to the mass of the liquid which it displaces.
It can be experimentally verified by the following experiment.
Take a water tumbler, and place the tumbler in a known weight beaker. Take a small stone and measure a spring balance by the weight of the stone. Notice the weight down. Now slowly dip the stone in the tumbler altogether. Water flows down from the tumbler into the beaker. Take the tumbler gently off. Measure The beaker 's weight. You can find that the beaker 's increased weight is equal to the stone 's weight.

Note: The Archimedes theory is an incredibly useful and flexible instrument. This can be useful in calculating the volume of unusual objects, such as gold crowns, and in describing the behaviors of any object positioned in any fluid. According to Science Clarified the theory of Archimedes explains how ships float, submarines dive, hot air balloons fly, and many other examples. The Archimedes theory is also used in a broad variety of research topics including medicine, chemistry, entomology, chemistry, and geology.