Universal Law of Gravitation
Every mass attracts every other mass with a force proportional to the product of masses and inversely proportional to the square of the distance between them.
Try the simulator
Loading simulator…
Newton's law of gravitation
Every particle in the universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centres: F = Gm₁m₂/r². G is the universal gravitational constant.
✔ Key takeaway: F = Gm₁m₂/r²; force decreases with the square of distance.
💭 Think about this:
Why does the gravitational force between two everyday objects (e.g. two books) seem negligible?