Question

who is Archimedes and what is Archimedes principal

Answer 1

Archimedes principle is bouancy force is equal to the weight of an object which is immersed in the water

Answer 2

the Archimedes principle states that when a body is partially or completely immersed in a fluid it experiences an apparent loss in weight due to upthrust and this loss in weight is equal to the weight of fluid displaced by the immersed part of the body