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25 wrz 2024 · Gravity, in mechanics, is the universal force of attraction acting between all bodies of matter. It is by far the weakest force known in nature and thus plays no role in determining the internal properties of everyday matter.
Gravity is the gravitational attraction at the surface of a planet or other celestial body; [6] gravity may also include, in addition to gravitation, the centrifugal force resulting from the planet's rotation (see § Earth's gravity).
Newton's law of universal gravitation states that every particle attracts every other particle in the universe with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
Gravity is the force of attraction that exists between any two masses in the universe. This force is directly proportional to the product of the masses of the two objects and inversely proportional to the square of the distance between their centres.
Every object in the universe attracts every other object in the universe with a gravitational force. The magnitude of the gravitational force between two objects is… directly proportional to the product of their masses and; inversely proportional to the square of the separation between their centers
Gravity is described by a vector field. The direction of the gravitational field at any point in space is the direction of the net gravitational force on a "small" test mass. The gravitational field around a spherically symmetric mass is radial and points inward.
Gravity is the first force to be postulated as an action-at-a-distance force, that is, objects exert a gravitational force on one another without physical contact and that force falls to zero only at an infinite distance.
