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equivalence principle
(redirected from Equivalence principle of special relativity)

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
equivalence principle  (-kwv-lns)
A principle central to General Relativity stating that a gravitational field is locally indistinguishable from the effects of inertial forces. For example, according to the equivalence principle, it is impossible for someone in a box who experiences a force pushing him to the bottom of the box to know, from the force alone, whether that force is the result of a gravitational field (the box is standing on the surface of a planet) or an acceleration (the box is being pushed by a rocket).


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