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Topic: Frame of reference

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	COSMOLOGY MODELS - The Twin Paradox
		In this first case the reference frame is the one in which twin A stays at rest.
		The paradox comes about because it would seem that if we took as our reference frame the frame in which twin B is at rest on the outbound leg and twin A is thus moving throughout the adventure, then twin A's clock should be slower hence the seeming contradiction.
		We should realize however that in the reference frame of twin B at the start he is not moving but after the distant point passes him he has to go at much greater speed than the other twin's speed in order to catch up and hence his clock is more greatly slowed.
	www.cosmologymodels.com /twin-paradox.html (518 words)

	Frame of reference - Wikipedia, the free encyclopedia
		Alfred's frame of reference is considered an inertial frame of reference because he is not accelerating (ignoring effects such as Earth's rotation and gravity).
		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.
	en.wikipedia.org /wiki/Frame_of_reference (1423 words)

	NationMaster - Encyclopedia: Inertial frame of reference (Site not responding. Last check: 2007-10-27)
		However, the assumption of constant progression of proper time in all frames of reference is replaced by the assumption that the speed of light is constant, and that this is equally true for every inertial observer.
		It is lowest with respect to the center of mass, i.e., in a frame of reference in which the center of mass is stationary.
		In another frame of reference the additional kinetic energy is that corresponding to the total mass and the speed of the center of mass.
	www.nationmaster.com /encyclopedia/Inertial-frame-of-reference (1604 words)

	Inertial frame of reference - Wikipedia, the free encyclopedia
		An inertial reference frame is a coordinate system in which Newton's first and second laws of motion are valid —ie.
		By contrast, bodies are subject to so-called fictitious forces in non-inertial reference frames; that is, forces that result from the acceleration of the reference frame itself and not from any physical force acting on the body.
		Einstein's theory of special relativity likewise assumes the equivalence of all inertial reference frames, but makes a different additional assumption, namely, that the speed of light is the same when measured in all inertial reference frames.
	en.wikipedia.org /wiki/Inertial_frame_of_reference (780 words)

	Frame of reference (Site not responding. Last check: 2007-10-27)
		A frame of reference to the surface of Earth is both and accelerated but in many experiments it be taken to be a good approximation an inertial reference frame.
		The frame of reference always has an Where the origin is to be placed not depend on anything but the need obtain experimental data as expeditiously or economically possible (hence one's belly button is not acceptable as the origin).
		An object that is in a straight line at constant velocity to a nearby inertial frame of reference appear to have a crooked trajectory as from the rotating frame of reference.
	www.freeglossary.com /Frames_of_reference (801 words)

	Encyclopedia :: encyclopedia : Frame of reference (Site not responding. Last check: 2007-10-27)
		A frame of reference in physics provides a set of axes relative to which an observer can measure the position and motion of all points in a system, as well as the orientation of objects in it.
		The usual reference frames for Newtonian physics are rigid, but in Newtonian fluid mechanics, one can use coordinates carried with the fluid motion, defining a "Lagrangian reference frame," as in [1].
		Returning to the special case of a frame with rectangular coordinates, one can define translations, rotations, and velocity transformations (those that carry one to a moving frame) as transformations of the reference system to another.
	www.hallencyclopedia.com /Frame_of_reference (1327 words)

	Inertial frame of reference (Site not responding. Last check: 2007-10-27)
		In physics, an inertial frame of reference, or inertial frame for short, is a frame of reference in which the observers move without the influence of any accelerating or decelerating force.
		The transformation from one inertial frame of reference to another is done using Lorentz transformation s, or, at speeds considerably below the speed of light, Galilean transformation s.
		In real life, such frames of reference are purely theoretical, because gravitational force (and thus acceleration) exists everywhere in the known universe.
	www.serebella.com /encyclopedia/article-Inertial_frame_of_reference.html (596 words)

	Frame of reference - Biocrawler (Site not responding. Last check: 2007-10-27)
		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.
		The usual reference frames for Newtonian physics are rigid, but in Newtonian fluid mechanics, one can use coordinates carried with the fluid motion, defining a "Lagrangian reference frame," as in [1] (http://www.lboro.ac.uk/departments/ma/preprints/papers02/02-48.pdf).
		Research (http://www.slac.stanford.edu/econf/C020620/papers/FRAT03.PDF#search='Lageos%20thirring%20lense') demonstrates experimentally that the rotation of the Earth pulls inertial reference frames near it in a circular motion whose rotational speed must fall off at large distances.
	www.biocrawler.com /encyclopedia/Reference_frame (1372 words)

	USS Clueless - Great Chipmunk Spaceship Race
		You have to choose a frame of reference, which is an arbitrary point and orientation which is defined as being coordinates (0,0,0) with a velocity of zero.
		All positions are given as offsets from the frame of reference, and all velocities are given as movement relative to the frame of reference.
		The apparent behavior is inexplicable because the frame of reference is invalid.
	www.denbeste.nu /cd_log_entries/2003/10/GreatChipmunkSpaceshipRac.shtml (3118 words)

	Whitehead and Newton on Space and Time Structure
		Frames of reference at rest or in motion with uniform velocity relative to absolute space (and hence in motion with uniform velocity relative one to another) are the "inertial frames" of classical Newtonian dynamics.
		Whenever a second material object is considered, then relative to an inertial frame of reference the two material objects attract each other with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance separating them.
		By analyzing the action of gravitational forces against the background of an inertial frame of reference Newton is able to measure and to describe that action in terms of coordinates assigned to an inertial frame.
	www.religion-online.org /showarticle.asp?title=2433 (8917 words)

	Frames of Reference
		The notion of frames of reference as attributes of professional disciplines has not been developed quite so systematically, although the roots of the idea are around in the original formulations of professional ideology (seen primarily as vested interest) (Mannheim, 1936).
		One of the clearest expressions of the idea, with particular reference to "closed" frames of reference, such as religion, Marxism and psycho-analysis, which are capable of explaining away all objections within their own frame, is found in Berger (1961).
		Parts of these frames of reference are technical, such as sensitivity to information gained through the stethoscope which means something to a doctor but not to a lay-person.
	www.doceo.co.uk /tools/frame.htm (2130 words)

	Classics in the History of Psychology -- Allport (1940)
		An example of the trend is the growing interest in the frame of reference, a concept which I have appropriated for the title of this address.
		Dynamic and social psychologists are especially concerned with these personal, ego-involving frames, and are often able to show that what are sometimes thought to be neutral-perceptual judgments, even the judgments of scientists themselves, are not wholly determined by an objectively established frame, but are entangled deep in the web of personality.
		It is especially those frames of reference adopted as the "wise prejudices" of our own station, class, and culture that reflect prevailing social norms.
	psychclassics.yorku.ca /Allport/frame.htm (8164 words)

	Definition of Frame of reference
		In essence, a frame of reference defines how an observer in that frame will observe the physics of what is going on around him.
		Alfred's frame of reference is considered an inertial frame of reference because he is not accelerating (ignoring effects such as Earth's rotation).
		Accelerated frames of reference lead to "inertial" or "fictitious" forces such as the centrifugal force.
	www.wordiq.com /definition/Frame_of_reference (928 words)

	Inertial frame of reference (Site not responding. Last check: 2007-10-27)
		A “frame of reference” is a standard relative to which motion and rest may be measured; any set of points or objects that are at rest relative to one another enables us, in...
		A frame of reference that moves with constant velocity with respect to an inertial frame is also an inertial frame.
		A reference frame or coordinate system in which there are no accelerations, only zero or uniform motion in a straight line – in other words, in which the first of Newton’s laws of motion is valid.
	www.logicjungle.com /wiki/Inertial_frame_of_reference (378 words)

	Frame of reference (Site not responding. Last check: 2007-10-27)
		A frame of reference is a collection of conditions, axes, or assumptions which establish how something willbe approached or understood.
		A frame of referenceattached to the surface of Earth is both rotating and accelerated, but in many experiments it may be taken to be a goodapproximation of an inertial reference frame.
		A frame of reference attached to Earth whose origin is located at the center of the Earth is a rotating frame of reference.The accelerometer at the origin shows zero acceleration.
	www.therfcc.org /frame-of-reference-32837.html (594 words)

	Inertial Frame of Reference
		An inertial frame of reference is a frame of reference with constant velocity.
		An inertial frame of reference is a frame of reference in which the law of inertia holds.
		An inertial frame of reference is a frame of reference in which Newton's laws of motion hold.
	id.mind.net /~zona/mstm/physics/mechanics/framesOfReference/inertialFrame.html (692 words)

	The Bimanual Frame-of-Reference
		A frame of reference is a centered and oriented perceptual coordinate system which is specified by a center point plus three directional axes.
		Accuracy was measured in terms of angle (shortest-arc rotation to align the remembered reference frame with the ideal reference frame) and distance (the translational offset between the reference frames).
		In the Unimanual condition, the edge and surface of the desk served as a physical reference and most subjects tried to use this to their advantage, for example by resting their forearm against the desk and remembering the touch point.
	research.microsoft.com /Users/kenh/thesis/3dbimanual.htm (3996 words)

	"Frame of Reference" Comment (Site not responding. Last check: 2007-10-27)
		A sequence of film frames for a motion picture can be run on screen to >give the illusion of action, and the static frames can be mentally >interpreted as representing action, but to say that the frames in fact >constitute action >seems to me unjustified, just word games.
		The idea I am trying to broach with my "frame of reference" concept is that we can consider the (described) human to be conscious relative to the history that is described, that is, relative to the implied frame of reference.
		The world, again really a history, is thus a frame of reference relative to which consciousness can be said to occur.
	www.cryonet.org /cgi-bin/dsp.cgi?msg=22388 (533 words)

	Newton's Frame of Reference (Site not responding. Last check: 2007-10-27)
		A frame of reference is one of many ways to describe someone's motion.
		Telling others your frame of reference tells others what your view of motion is. Without a clear frame of reference, there is no way to really understand motion.
		A frame in outer space, far from any massive object which is not accelerated and is not rotating would be a Newtonian Frame of Reference.
	www.newton.dep.anl.gov /askasci/phy00/phy00726.htm (341 words)

	Non-inertial Frame of Reference
		Such an accelerating frame of reference is called a non-inertial frame because the law of inertia does not hold in it.
		A non-inertial frame of reference is a frame of reference with a changing velocity.
		A non-inertial frame of reference is an accelerating frame of reference.
	id.mind.net /~zona/mstm/physics/mechanics/framesOfReference/nonInertialFrame.html (737 words)

	Frame of reference - The Boston Globe
		The least expensive frame is an aluminum sectional frame, which can cost as little as $4 a linear foot, according to Richard Siegel, Stanhope manager.
		In the end, the frame is finished with the standard dust cover, plus hooks, eyes, and framing wire.
		This is one of the reasons Murphy believes every framer should have the framer's name, address, date of framing, and type of glazing printed on the back of the frame.
	www.boston.com /yourlife/home/articles/2005/09/01/frame_of_reference (1802 words)

	Frame of reference - Education - Information - Educational Resources - Encyclopedia - Music
		A frame of reference is a collection of conditions, axes, or assumptions which establish how something will be approached or understood.
		This article deals primarily with the general procedure for constructing a frame of reference within the science of physics.
		The end of the spring that is not attached to the mass is attached to the frame of reference at some point.
	education.music.us /F/Frame-of-reference.htm (839 words)

	rotating reference frame concept from the Astronomy knowledge base (Site not responding. Last check: 2007-10-27)
		has definition A frame of reference which rotates with the same period as the system.
		The orbital velocity of the local standard of rest around the Galaxy is about 220 kilometers per second., A frame of reference in which the mean motion of stars in the immediate neighborhood is zero.
		In such a reference system, the motions of stars in the solar neighborhood (a volume of space about 100 pc in diameter) average out to zero (cf.
	www.site.uottawa.ca:4321 /astronomy/rotatingreferenceframe.html (178 words)

	Frame of Reference
		Mental qualities as a frame of reference can be divided into three sorts: inner mental qualities, outer mental qualities, and mental qualities in and of themselves.
		Your powers of reference and focused investigation will have to be constantly in place within for you not to be misled by the objects and preoccupations of the mind.
		Thus the Dhamma of the Buddha refers both to his teachings and to the direct experience of the quality of nibbana at which those teachings are aimed.
	www.purifymind.com /FrameReference.htm (10271 words)

	Frames of Reference: The Basics
		Obervations suggest that among all such choices, the frame of the stars (or of "the distant universe") is the proper one for Newton's equations.
		However, this is not always the most convenient frame: for someone sitting in a moving airliner, in an orbiting spaceship or upon the rotating Earth, it is much easier to observe the way an object moves relative to its immediate surroundings than to figure out its motion relative to the distant universe!
		It is thus not a bad approximation to regard the Earth as the ultimate frame of reference.
	www-istp.gsfc.nasa.gov /stargaze/Sframes1.htm (716 words)

	Re: First Person Frame of Reference (Site not responding. Last check: 2007-10-27)
		For example when Einstein says that length is a relative quantity he means that two observers occupying inertial frames of reference in motion relative to each other perceive the length of an object differently.
		Hence length is relative and dependent on the observer's frame of reference, and charge is absolute and independent on the observer's frame of reference.
		Now let's move on to a Q-suicide experiment that parallels Einstein's scenario: two observers occupy different frames of reference because their continuing existence is differently contingent on a particular event (such as winning a lottery ticket).
	www.mail-archive.com /everything-list%40eskimo.com/msg05444.html (616 words)

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