equivalence principle

(redirected from Weak equivalence principle)
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equivalence principle

n.
A principle central to the theory of general relativity stating that a gravitational field is locally indistinguishable from the effects of an inertial force, such as the acceleration caused by a source of propulsion.
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That derivation showed that the acceleration is independent of the mass m: whence we have the derivation of the Weak Equivalence Principle, discovered experimentally by Galileo.