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The Theory of Relativity

Einstein's Theory of Relativity functions on these premises:

  1. The laws of nature are the same in different inertial frames of reference.
  2. The speed of light is constant in a vacuum. (Special Relativity)
  3. Gravitational mass is equivalent to inertial mass.(General Relativity)
The Theory of Relativity is a description of gravity at high speeds; it is a completion of Newton's Laws of Motion. Newton's Laws apply to bodies of matter at low speeds, while Einstein's model applies to matter high speeds. Although Einstein's model can account for and describe matter and gravity at low speeds, Newton's Laws fail at accurately describing the relationship between gravity and matter at high speeds.