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- https://phys.libretexts.org/Courses/Grossmont_College/ASTR_110%3A_Astronomy_(Fitzgerald)/12%3A_The_Death_of_Stars/12.07%3A_Introducing_General_RelativityEinstein proposed the equivalence principle as the foundation of the theory of general relativity. According to this principle, there is no way that anyone or any experiment in a sealed environment ca...Einstein proposed the equivalence principle as the foundation of the theory of general relativity. According to this principle, there is no way that anyone or any experiment in a sealed environment can distinguish between free fall and the absence of gravity.
- https://phys.libretexts.org/Learning_Objects/A_Physics_Formulary/Physics/03%3A_RelativityGeneral and special relativity starting from the Lorentz transform to Black holes
- https://phys.libretexts.org/Bookshelves/Astronomy__Cosmology/Astronomy_2e_(OpenStax)/24%3A_Black_Holes_and_Curved_Spacetime/24.02%3A_Introducing_General_RelativityEinstein proposed the equivalence principle as the foundation of the theory of general relativity. According to this principle, there is no way that anyone or any experiment in a sealed environment ca...Einstein proposed the equivalence principle as the foundation of the theory of general relativity. According to this principle, there is no way that anyone or any experiment in a sealed environment can distinguish between free fall and the absence of gravity.
- https://phys.libretexts.org/Bookshelves/Relativity/Special_Relativity_(Crowell)/05%3A_Inertia/5.02%3A__The_Equivalence_PrincipleThe equivalence principle deals with the equivalence of gravitational and inertial mass, and to Einstein's observation that the gravitational "force" as experienced locally while standing on a massive...The equivalence principle deals with the equivalence of gravitational and inertial mass, and to Einstein's observation that the gravitational "force" as experienced locally while standing on a massive body (such as the Earth) is the same as the pseudo-force experienced by an observer in a non-inertial (accelerated) frame of reference.
- https://phys.libretexts.org/Bookshelves/Astronomy__Cosmology/Astronomy_1e_(OpenStax)/24%3A_Black_Holes_and_Curved_Spacetime/24.01%3A_Introducing_General_RelativityEinstein proposed the equivalence principle as the foundation of the theory of general relativity. According to this principle, there is no way that anyone or any experiment in a sealed environment ca...Einstein proposed the equivalence principle as the foundation of the theory of general relativity. According to this principle, there is no way that anyone or any experiment in a sealed environment can distinguish between free fall and the absence of gravity.
- https://phys.libretexts.org/Bookshelves/Relativity/General_Relativity_(Crowell)/01%3A_Geometric_Theory_of_Spacetime/1.06%3A_The_Equivalence_Principle_(Part_2)Earlier, we saw experimental evidence that the rate of flow of time changes with height in a gravitational field. We can now see that this is required by the equivalence principle. By the equivalence...Earlier, we saw experimental evidence that the rate of flow of time changes with height in a gravitational field. We can now see that this is required by the equivalence principle. By the equivalence principle, there is no way to tell the difference between experimental results obtained in an accelerating laboratory and those found in a laboratory immersed in a gravitational field.
- https://phys.libretexts.org/Bookshelves/Relativity/General_Relativity_(Crowell)/01%3A_Geometric_Theory_of_Spacetime/1.05%3A_The_Equivalence_Principle_(Part_1)A central principle of relativity known is the equivalence principle: - that is, accelerations and gravitational fields are equivalent. There is no experiment that can distinguish one from the other.
- https://phys.libretexts.org/Courses/Merrimack_College/Conservation_Laws_Newton's_Laws_and_Kinematics_version_2.0/13%3A_Application_-_Orbits_and_Kepler's_Laws/13.03%3A_Weight_Acceleration_and_the_Equivalence_PrincipleHowever, if the equivalence principle is true, and physical phenomena look the same in a constantly accelerating frame as in an inertial frame with a constant gravitational field, it follows that ligh...However, if the equivalence principle is true, and physical phenomena look the same in a constantly accelerating frame as in an inertial frame with a constant gravitational field, it follows that light must also bend its path in the latter system, in much the same way as a projectile would. (I say “much the same way” because the effect is not just as simple as giving light an “effective mass”; there are other relativistic effects, such as space contraction and time dilation, that must also be r…
- https://phys.libretexts.org/Courses/Georgia_State_University/GSU-TM-Introductory_Physics_II_(1112)/zz%3A_Back_Matter/10%3A_13.1%3A_Appendix_J-_Physics_Formulas_(Wevers)/1.03%3A_RelativityGeneral and special relativity starting from the Lorentz transform to Black holes
- https://phys.libretexts.org/Bookshelves/Classical_Mechanics/Variational_Principles_in_Classical_Mechanics_(Cline)/17%3A_Relativistic_Mechanics/17.08%3A_The_General_Theory_of_RelativityEinstein’s General Theory of Relativity expands the scope of relativistic mechanics to include non-inertial accelerating frames plus a unified theory of gravitation. That is, the General Theory of Rel...Einstein’s General Theory of Relativity expands the scope of relativistic mechanics to include non-inertial accelerating frames plus a unified theory of gravitation. That is, the General Theory of Relativity incorporates both the Special Theory of Relativity as well as Newton’s Law of Universal Gravitation. It provides a unified theory of gravitation that is a geometric property of space and time. In particular, the curvature of space-time is directly related to the four-momentum of matter and r
- https://phys.libretexts.org/Bookshelves/Relativity/General_Relativity_(Crowell)/02%3A_Geometry_of_Flat_Spacetime/2.08%3A_Three_Spatial_Dimensions_(Part_1)New and nontrivial phenomena arise when we generalize from 1+1 dimensions to 3+1.
