briefly explain the theory of relativity
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Answers
The theory of relativity usually encompasses two interrelated theories by Albert Einstein: special relativity and general relativity, proposed and published in 1905 and 1915, respectively.[1] Special relativity applies to all physical phenomena in the absence of gravity. General relativity explains the law of gravitation and its relation to other forces of nature.[2] It applies to the cosmological and astrophysical realm, including astronomy.[3]
Two-dimensional projection of a three-dimensional analogy of spacetime curvature described in general relativity
The theory transformed theoretical physics and astronomy during the 20th century, superseding a 200-year-old theory of mechanics created primarily by Isaac Newton.[3][4][5] It introduced concepts including spacetime as a unified entity of space and time, relativity of simultaneity, kinematic and gravitational time dilation, and length contraction. In the field of physics, relativity improved the science of elementary particles and their fundamental interactions, along with ushering in the nuclear age. With relativity, cosmology and astrophysics predicted extraordinary astronomical phenomena such as neutron stars, black holes, and gravitational waves.[3][4][5]
Answer:
The gravitational force tugging between two bodies depends on how massive each one is and how far apart the two lie. even as the center of the earth is pulling you toward it (keeping you firmly lodged on the ground),your center of mass is pulling back at the earth.but more massive body barely feels the tug from you, while with you find yourself firmly rooted thanks to same force.yet Newton's law assume that gravity is an innate force of an object that can act over a distance. the laws of of physics are the same for all non-accelating observers, and he showed that the speed of light within a vaccum is the same no matter the speed at which an observer travels,according to Wired
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