Question

who defines the law of gravitation ?

Answer 1

Newton defined the law of gravitation.

Answer 2

Newton's theory of gravitation. In 1687, English mathematician Sir Isaac Newton published Principia, which hypothesizes the inverse-square law of universal gravitation.Newton's law of universal gravitation states that every mass attracts every other mass in the universe, and the gravitational force between two bodies is proportional to the product of their masses, and inversely proportional to the square of the distance between them.