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Topic: Rotating reference frame

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	Frame of reference - Encyclopedia.WorldSearch (Site not responding. Last check: 2007-10-22)
		A frame of reference in physics is a set of axes which enable an observer to measure the aspect, position and motion of all points in a system relative to the reference frame.
		Frames of reference are especially important in special relativity, because when a frame of reference is moving at some significant fraction of the speed of light, then the flow of time in that frame does not necessarily apply in another reference frame.
		An accelerated frame of reference is often delineated as being the "primed" frame, and all variables that are dependent on that frame are notated with primes, e.g.
	encyclopedia.worldsearch.com /frame_of_reference.htm (1176 words)

	Special relativity (Site not responding. Last check: 2007-10-22)
		In this case, the observer is said to be in an inertial frame of reference.
		Two events that occur simultaneously in different places in one frame of reference may occur at different times in another frame of reference (lack of simultaneity).
		Special Relativity holds that events that are simultaneous in one frame of reference need not be simultaneous in another frame of reference.
	www.sciencedaily.com /encyclopedia/special_relativity (2296 words)

	Articles - Centrifugal force (Site not responding. Last check: 2007-10-22)
		When viewed from an inertial frame of reference, what is really happening is that the passenger's inertia resists acceleration, keeping the passenger moving with constant speed and direction as the car begins to turn.
		For bodies that move with respect to the rotating frame it must be supplemented with the Coriolis force.
		Because rotating frames are not vital for understanding mechanics, science teachers often de-emphasize the artificial centrifugal "force" that arises in a rotating reference frame.
	www.vacuum-center.net /articles/Centrifugal_force (1309 words)

	Special relativity
		When he returns he discovers that his twin has aged much more rapidly than he has (or he aged more slowly).
		It turns out that in applications to general relativity and quantum field theory it is the invariant mass which is more useful.
		This space, however, is very similar to the standard 3 dimensional Euclidean space, and fortunately by that fact, very easy to work with.
	www.brainyencyclopedia.com /encyclopedia/s/sp/special_relativity.html (2307 words)

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