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Topic: Inertia

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moment of inertia

List of moments of inertia

rotational inertia

Inertia album

Inertia compensated balance

inertia problem

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	Inertia - Wikipedia, the free encyclopedia
		The principle of inertia is one of the fundamental laws of classical physics which are used to describe the motion of matter and how it is affected by applied forces.
		Physics and mathematics appear to be less inclined to use the original concept of inertia as "a tendency to maintain momentum" and instead favor the mathematically useful definition of inertia as the measure of a body's resistance to changes in momentum or simply a body's inertial mass.
		Thus, "mass is the quantitative or numerical measure of body’s inertia, that is of its resistance to being accelerated".
	en.wikipedia.org /wiki/Inertia (2964 words)

	Encyclopedia :: encyclopedia : Inertia (Site not responding. Last check: 2007-10-22)
		In economics, inertia has two meanings, the tendency of an economy to continue moving in a fixed direction until a sufficient force acts to change that direction, and the "unwillingness to change" at a large firm which may contribute to a diseconomy of scale.
		In physics, inertia is an historical concept and a perceived property of matter that exhibited an 'apparent' resistance to change of motion.
		It is now known that 'inertia' actually solely relates to the conservation of linear momentum or the conservation of angular momentum of a rotating object and describes how much force or torque is needed to accelerate the object at a given rate.
	www.hallencyclopedia.com /Inertia (1278 words)

	NationMaster - Encyclopedia: Moment of inertia (Site not responding. Last check: 2007-10-22)
		The second moment of area, also known as the second moment of inertia and the area moment of inertia, is a property of a shape that is used to predict its resistance to bending and deflection.
		In general, an object's moment of inertia depends on its shape and the distribution of mass within that shape: the greater the concentration of material away from the object's centroid, the larger the moment of inertia.
		The moment of inertia of mass around an axis of rotation (assuming an infinitely stiff connection) is the mass multiplied by the square of the distance to the rotation axis.
	www.nationmaster.com /encyclopedia/Moment-of-inertia (814 words)

	Moment of inertia - Wikipedia, the free encyclopedia
		The moment of inertia is sometimes called the mass moment of inertia (especially by mechanical engineers) to avoid confusion with the second moment of area, which is sometimes called the moment of inertia (especially by structural engineers) and denoted by the same symbol I.
		In addition, the moment of inertia should not be confused the polar moment of inertia, which is a measure of an object's ability to resist torsion.
		If the moment of inertia tensor has been calculated for rotations about the centroid of the rigid body, it is relatively easy to compute the tensor for rotations offset from the centroid.
	en.wikipedia.org /wiki/Moment_of_inertia (1424 words)

	Inertia - MSN Encarta
		Inertia, the property of matter that causes it to resist any change of its motion in either direction or speed.
		This property is accurately described by the first law of motion of the English scientist Sir Isaac Newton: An object at rest tends to remain at rest, and an object in motion tends to continue in motion in a straight line unless acted upon by an outside force.
		Newton's second law states that a force acting on an object is equal to the mass of the object multiplied by the acceleration the object undergoes.
	encarta.msn.com /encnet/refpages/RefArticle.aspx?refid=761552158 (385 words)

	Inertia (disambiguation) - Wikipedia, the free encyclopedia
		Inertia is the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force Inertia can also refer to:
		Rotational Inertia, also known as Moment of inertia, is the tendency of a body to maintain its state of rest or uniform rotation unless acted upon by an external torque.
		This is the rotational physics equivalent of the inertia in linear physics.
	en.wikipedia.org /wiki/Inertia_(disambiguation) (237 words)

	Forces and Motion Show Description
		Just as inertia is a measure of how hard it is to get something to move, momentum is a measure of how hard it is to stop something that is moving, or to change it's motion.
		Just as inertia is a measure of how difficult it is to get something to move, "rotational inertia" is a measure of how difficult it is to get something to rotate.
		This demonstration of force per unit area is coupled to one on inertia by stacking three concrete patio blocks on the chest of the demonstrator and then smashing them with a sledgehammer.
	www.physics.isu.edu /~shropshi/fmdesc.htm (4388 words)

	NationMaster - Encyclopedia: Inertia (Site not responding. Last check: 2007-10-22)
		In differential geometry, the geodesic deviation equation is an equation involving the Riemann curvature tensor, which measures the change in separation of neighbouring geodesics.
		Inertial mass is a measure of the resistance of an entity to a change in its velocity relative to an inertial frame.
		In physics, an inertial frame of reference, or inertial frame for short (also descibed as absolute frame of reference), is a frame of reference in which the observers move without the influence of any accelerating or decelerating force.
	www.nationmaster.com /encyclopedia/Inertia (5023 words)

	Inertia and Mass
		Inertia = the resistance an object has to a change in its state of motion.
		But if left to itself, a moving object would eventually come to rest and an object at rest would stay at rest; thus, the idea which dominated people's thinking for nearly 2000 years prior to Newton was that it was the natural tendency of all objects to assume a rest position.
		Inertia is that quantity which is solely dependent upon mass.
	www.glenbrook.k12.il.us /gbssci/phys/Class/newtlaws/u2l1b.html (1188 words)

	INERTIA
		Inertia: An "innate force of matter" that enables objects of matter to maintain static and dynamic existence.
		With Newton's acknowledgement of inertia, the measurement of inertia, mass, and the relationship of acceleration when equal forces are applied to two objects with mass, a definition of Mach's principal of relative motion is found.
		Therefore, inertia is a force field of inertial matter that is generated by inertial matter, and enables inertial matter to have a property of inertia and a measurement of "mass".
	www.geocities.com /dogov/inertia.htm (13447 words)

	CD Baby: INERTIA: Black Ice Impact
		Inertia are back with what is probably their finest album to date.
		Her most famous contribution to Inertia's recent gigs is, of course, the singalong Bollywood fave "Shakalaka Baby" which is duly included here before "Violate" ends the album with another catchy EBM dose.
		Inertia are now planning to release a single from the album and tour throughout Europe.
	www.cdbaby.com /cd/inertia (886 words)

	What have we been taught about inertia (Site not responding. Last check: 2007-10-22)
		We see the relative inertia in the splat of an automobile into a concrete barrier or the fuel consumption in going from 0 to 60 miles an hour in a heavy automobile.
		The skipping of a flat stone on a pond is caused by the relationship of the effect of gravity on the stone and the inertia of the water molecules it contacts as it zips along.
		The combined effects of inertia and the elasticity of a gas result in the air reversing direction relatively slowly and resulting in a lowered pressure on the trailing upper portion of the wing.
	www.mnsi.net /%7Erealscnc/web_7.htm (848 words)

	Inertia and Relativity
		To answer this objection, Galileo developed the concept of inertia, which he illustrated by “thought experiment” involving the behavior of objects inside a ship which is moving at some constant speed in a straight line.
		Also, notice that the principle of inertia does not discriminate between different states of uniform motion in straight lines, so it automatically entails a principle of relativity of dynamics, and in fact the two are essentially synonymous.
		In other words, we define an inertial coordinate system as a system of space and time coordinates in terms of which inertia is homogeneous and isotropic, and then we announce the “laws of motion”, which consist of the assertion that inertia is homogeneous and isotropic with respect to inertial coordinate systems.
	www.mathpages.com /rr/s1-03/1-03.htm (3029 words)

	Moment of Inertia
		Moment of inertia is the name given to rotational inertia, the rotational analog of mass for linear motion.
		The moment of inertia of a point mass with respect to an axis is defined as the product of the mass times the distance from the axis squared.
		Since the moment of inertia of an ordinary object involves a continuous distribution of mass at a continually varying distance from any rotation axis, the calculation of moments of inertia generally involves calculus, the discipline of mathematics which can handle such continuous variables.
	hyperphysics.phy-astr.gsu.edu /hbase/mi.html (419 words)

	Inertia -- The Idea that, Anything is Really at Rest, is Purely Relative.
		Inertia is one of those fascinating concepts that the books cover in a paragraph and then accept.
		But with the emergence of man into space, the problems of mass and inertia show vivid signs of moving into the world of the man in the street.
		The inertia of the eggshell is so slight, that the pressure wave from the bullet will move the shell aside before the slug touches it.
	www.luminet.net /~wenonah/new/inertia.htm (1506 words)

	electromagnetic induction and inertia
		We do not know the fine detail of the electron’s electric field structure, only the way it falls off as the square of the distance when we are some way away from the electron (in terms of the electron size).
		Electrostatic inertia is associated with the concept of inductance, used in electric circuits; creating the magnetic field in an inductor takes energy that must be supplied by the external electromotive source.
		This is caused by the augmented inertia associated with the electrons’ overlapping electric fields - they cannot stop dead, but have to dissipate their induced magnetic energy.
	www.mariner.connectfree.co.uk /html/e_m_inertia.html (1158 words)

	INERTIA \| Welcome (Site not responding. Last check: 2007-10-22)
		Inertia will be supporting Switzerland's The Young Gods, at their show in London.
		The song "Controlled" from Inertia's first EP "Infiltrator" (1995), and also featured on the current "best of" DCD, Decade of Machines, will be featured on the cover CD of the April 06 Issue of the German magazine Sonic seducer.
		A brand new Inertia track called "Higher" is included on the the brand new DCD compilation Cryonica Tanz v.4.
	www.inertia.gs (504 words)

	Inertia (Site not responding. Last check: 2007-10-22)
		Inertia Maeola Walker Chicago Board of Education 963 E. 84th Street, Apt.
		The main objective of this mini-teach is for students to learn and understand what inertia is. They will learn the difference between inertia for objects at rest and objects moving in a straight line.
		You will drive the dowel through the block, but the block of wood will not move since its inertia will try to keep it in place, even though that place happens to be in mid air.
	www.iit.edu /~smile/ph9413.html (752 words)

	CD Baby: INERTIA: Decade of Machines 1994-2004
		INERTIA were immediately signed to Germany’s Celtic Circle Productions within a few weeks of forming, and released their debut MCD INFILTRATOR, in June 1995.
		INERTIA marked their first European live performance in September 1995, when they played Celtic Circle’s NIGHT OF DARKNESS festival at the Kulturfabrik in Krefeld, Germany.
		Inertia were recently described by electronic pioneer GARY NUMAN as "the best and most aggressive band in London".
	www.cdbaby.com /cd/inertia2 (713 words)

	Moment of inertia
		The moment of inertia of a body, which is always measured relative to a point of rotation, depends in general on the object's mass and on its shape.
		It is perhaps evident that for a single mass going in a circle of fixed radius, the greater the radius the harder it is to change the angular velocity.
		In an extended object the parts that are further from the axis of rotation contribute more to the moment of inertia than the parts closer to the axis.
	theory.uwinnipeg.ca /mod_tech/node49.html (334 words)

	Claude Montpetit -- Montpetit.net -- en: Inertia
		Inertia does not mean that something is not moving.
		It is a well known fact that inertia can cause big companies to collapse, but IBM in early 90s fought inertia and saved itself by radically changing its mission.
		This text just transcribes a thought I had this morning when hearing on the radio that consumers are still buying big 4x4s, and that our governments are thinking about voting new environment-friendly legislations that may only be effective in 2 years or more.
	www.montpetit.net /en/2006/04/19/08h49/index.html (387 words)

	Newton's First Law = Inertia
		8.1 - An object’s inertia causes it to continue moving the way it is moving unless it is acted upon by an (unbalanced) force to change its motion.
		Inertia is a property of mass and cannot change.
		Rotational Inertia = the property of an object that resists any change in its state of rotation.
	www.mansfieldct.org /schools/mms/staff/hand/lawsinertia.htm (330 words)

	Physics - Inertia (Site not responding. Last check: 2007-10-22)
		Standard theory attributes inertia to the interaction of an object with the background of all matter in the universe.
		Again, rotational inertia seems to be tied to the background of matter comprising the universe.
		Inertia can then be simply explained as some form of interaction of an object with the surrounding medium.
	www.esotericscience.com /Inertia.aspx (1738 words)

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