What scientific law did Archimedes establish?

the law of geometry
the law of astronomy
the law of lever and balance
the law of Earth and universe

archimedes establish the law of physical law of buoyancy,

Explanation:

it was made because he wanted to try to make people convert as well people who would have read or studied this item at the time it was created were probably people who wanted to change religions who thought conversion was a good idea.