Question

how was the universal gravitational unit (G) discovered?

Answer 1

The gravitational constant appears in Newton's law of universal gravitation, but it was not measured until 1798, seventy-one years after Newton's death, when Henry Cavendish performed his Cavendish experiment (Philosophical Transactions 1798).

Answer 2

The gravitational constant appears in Newton's law of universal gravitation, but it was not measured until 1798, seventy-one years after Newton's death, when Henry Cavendish performed his Cavendish experiment (Philosophical Transactions 1798).