Inverse-Square Law of Gravitation: The Role of the Apple and the Moon

How Newton confirmed the inverse-square law

Image by Gordon Johnson from Pixabay.

The equation shown above is one of the most famous equations in physics which changed the world forever. It is the mathematical expression of the law of universal gravitation. Here, F is the gravitational force of attraction between two bodies, M₁ and M₂ are the masses of…