Using Archimedes' Principle, it is clear that a change in mass of an object affects how much liquid has to be displaced. In submarines, this is controlled by ballast tanks which are found between the submarine's inner and outer hulls.. When the tanks are empty, the submarine has less mass and it floats like a normal ship. As water is allowed into the tanks, the mass of the submarine increases, the downward gravitational force on the submarine increases and the submarine begins to sink. Careful balancing of the water ballast enables the craft to stay at any chosen depth.
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Archimedes first used the symbol PI because he was the first one to discover it so he wanted to investigate about it.
The ratio of the circumference of a circle to its radius.
He is only known as Archimedes of Syracuse ( now Sicily).
a pulley that Archimedes made
Archimedes studied astronomy, engineering, mathematics, and war tactics.