
Gravity | Definition, Physics, & Facts | Britannica
Jan 14, 2026 · gravity, in mechanics, the universal force of attraction acting between all bodies of matter. It is by far the weakest known force in nature and thus plays no role in determining the internal …
Gravity - Force, Physics, Theory | Britannica
Jan 14, 2026 · Gravity - Force, Physics, Theory: The Newtonian theory of gravity is based on an assumed force acting between all pairs of bodies—i.e., an action at a distance.
Physics - Gravitation, Mechanics, Energy | Britannica
Dec 28, 2025 · The modern theory of gravitation was formulated by Albert Einstein and is called the general theory of relativity.
Newton’s law of gravitation | Definition, Formula, & Facts - Britannica
3 days ago · Newton’s law of gravitation, statement that any particle of matter in the universe attracts any other with a force varying directly as the product of the masses and inversely as the square of …
Gravity - Fields, Relativity, Theory | Britannica
Jan 14, 2026 · Gravity - Fields, Relativity, Theory: In Einstein’s theory of general relativity, the physical consequences of gravitational fields are stated in the following way.
Gravity - Newton's Law, Universal Force, Mass Attraction | Britannica
Jan 14, 2026 · Gravity - Newton's Law, Universal Force, Mass Attraction: Newton discovered the relationship between the motion of the Moon and the motion of a body falling freely on Earth.
Gravitational constant | Definition, Value, Units, & Facts | Britannica
Jan 9, 2026 · In Newton’s law of universal gravitation, the attractive force between two objects (F) is equal to G times the product of their masses (m1m2) divided by the square of the distance between …
Gravitation | physical process | Britannica
Newton further concluded that the force of attraction between two massive bodies was proportional to the inverse square of their separation and to the product of their masses, known as the law of …
Development of gravitational theory | Britannica
gravity, Universal force of attraction that acts between all bodies that have mass. Though it is the weakest of the four known forces, it shapes the structure and evolution of stars, galaxies, and the …
Gravity - Experimental Study, Newton, Einstein | Britannica
Jan 14, 2026 · Gravity - Experimental Study, Newton, Einstein: The essence of Newton’s theory of gravitation is that the force between two bodies is proportional to the product of their masses and the …