what is gravity fulll explain
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Gravity is a force of attraction that exists between any two masses, any two bodies, any two particles. Gravity is not just the attraction between objects and the Earth. It is an attraction that exists between all objects, everywhere in the universe. ... where G is called the Gravitational Constant.
Gravity is most accurately described by the general theory of relativity (proposed by Albert Einstein in 1915), which describes gravity not as a force, but as a consequence of masses moving "straight ahead" in a curved spacetime caused by the uneven distribution of mass.
They're the first direct evidence for the inflation or explosion that birthed our universe and the strongest evidence we've ever had that gravity is, in fact, made of tiny particles, called gravitons.
1 : a force of attraction that tends to draw particles or bodies together. 2 : the attraction of bodies by the force of gravity toward the center of the earth. 3 : great seriousness.
In the case of the earth, the force of gravity is greatest on its surface and gradually decreases as you move away from its centre (as a square of the distance between the object and the center of the Earth). Of course, the earth is not a uniform sphere so the gravitational field around it is not uniform.
Artificial gravity can be created using a centripetal force. ... In the context of a rotating space station it is the normal force provided by the spacecraft's hull that acts as centripetal force.
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