Phenomenon/Gravity: Difference between revisions
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The Newtonian theory of gravity is based on an assumed force acting between all pairs of bodies—i.e., an action at a distance. When a mass moves, the force acting on other masses had been considered to adjust instantaneously to the new location of the displaced mass. That, however, is inconsistent with special relativity, which is based on the axiom that all knowledge of distant events comes from electromagnetic signals.
In Einstein’s theory of special relativity, inertial mass is a manifestation of all the forms of energy in a body, according to his fundamental relationship <math>E =
=== Newton's law of universal gravitation ===
The equation for universal gravitation thus takes the form:
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<math>F = G \frac {m1,m2}{r^2}</math>
Where
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