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Topic: Wedge (mechanics)

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	SportWedge.com
		You may be athletic enough to "get by" at your current level, but poor mechanics will prove to be a limiting factor at the higher levels if you don't work hard to fix them.
		The SPORTWEDGE is a lightweight, triangularly shaped wedge that fits across an athlete's chest and is held in place with adjustable shoulder straps.
		The wedge is housed in a durable nylon cover/bag that is removable and washable, and extremely wear resistant.
	sportwedge.com (428 words)

	Wedge - Wikipedia, the free encyclopedia
		In mechanics, a simple machine used to separate two objects, or portions of objects, through the application of force is often called a wedge.
		In politics, a wedge issue is an issue designed to split a group in two.
		In U.S. geography, the Wedge is part of the border between Delaware and Pennsylvania.
	en.wikipedia.org /wiki/Wedge_(disambiguation) (255 words)

	Wedge (mechanics) - Wikipedia, the free encyclopedia
		Technically a portable double inclined plane, a wedge is a simple machine used to separate two objects, or portions of objects, through the application of force, perpendicular to the inclined surfaces, developed by conversion of force applied to the wide end.
		The mechanical advantage of a wedge depends on the ratio of its length to its thickness.
		In some sense, door stop(Door wedge) can also be regarded as wedge technically, but its main function is to provide a friction between the door and the ground rather than separating materials.
	en.wikipedia.org /wiki/Wedge_(mechanics) (182 words)

	Wedges and screws
		Wedge: A wedge is in general a triangular object which is placed between two objects to either hold them in place or is used to move one relative to the other.
		Note that for the wedge to move one needs to have slip on all three surfaces.
		One wedge is obtained from opening the helical treads of the screw and the other will come from opening the helical threads of the bolt.
	em-ntserver.unl.edu /NEGAHBAN/EM223/note16/note16.htm (574 words)

	ces.draft.3 (Site not responding. Last check: 2007-10-24)
		Although the exact mechanism of the motion during an avalanche and the detailed dynamics involved are not well understood (this will be discussed more fully in section 8), this simple geometrical fact yields valuable insights.
		While the particles within the wedge still move randomly in the radial direction, the possible axial positions of the particles are weighted so that the probability of a particle moving a distance ∆z along the mixer axis obeys a Gaussian distribution.
		For mechanically identical particles, when the upper wedge (gray) falls to the lower position (white), mixing along the axis of rotation is diffusive, and mixing in the radial direction is random.
	www.pitt.edu /~jjmcc/papers/AIChE/AIChE.html (7526 words)

	Category:Mechanics - Wikipedia, the free encyclopedia
		Mechanics (Latin mechanicus, from the Greek mechanikos, "one skilled in machines") refers to two areas:
		When preceded by a qualifier, mechanics refers to the study of empirically mechanical functions of a stated quantity or property.
		A generic term in physics for Classical mechanics (Category:Classical mechanics) and Quantum mechanics (Category:Quantum mechanics).
	en.wikipedia.org /wiki/Category:Mechanics (136 words)

	Journal of the Geological Society: Thrust-wedge mechanics and coeval development of normal and reverse faults in the ... (Site not responding. Last check: 2007-10-24)
		Simulated stresses for a set of boundary conditions in which the stress magnitudes are sufficient to cause failure along the wedge base (lower boundary) and reverse faulting at its toe (updip end of the base), invariably lead to the simultaneous development of intra-wedge normal faults.
		Further, a decrease in shear strength of the wedge base relative to its interior favours the development of normal faults and/or reduction in the magnitude of thrusting stresses within the wedge.
		The mechanics of mountain belts along convergent plate boundaries are often considered to be analogous to that of a wedge of snow or soil in front of moving bulldozer (Davis et al.
	www.findarticles.com /p/articles/mi_qa3721/is_200205/ai_n9030866 (1220 words)

	Mechanics of viscous wedges: Modeling by analytical and numerical approaches
		The uniform linear viscosity wedge is driven by motion of a basal boundary at a constant velocity.
		The last phase involves widening of wedge and further development of asymmetry and surface extension, the average slope of wedge decreases during this phase.
		Several parameters introduced here (mean surface slope, asymmetry of the wedge, surface extension, and near-surface strain history) allow observations from natural wedges to be linked to the bulk viscosity of the model wedges.
	www.agu.org /pubs/crossref/2002/2001JB000145.shtml (326 words)

	UNPh21.html
		Mechanical advantage (MA) is the number of times the load moved by a machine is greater than the effort applied to that machine, i.e.
		The mechanical advantage of a machine, M. A., is the ratio of the load to the effort, L/E. The velocity ratio of a machine, V. R., is the ratio of the distance moved by the effort to the distance moved by the load.
		A wedge has two inclined planes and a third surface that may be hit to apply force to lift an object (under one leg of an unsteady table) or lock (door jamb) or split (woodcutter's wedge) or cut (axe).
	www.uq.edu.au /_School_Science_Lessons/UNPh21.html (6244 words)

	wedge \| English \| Dictionary & Translation by Babylon
		A chart pattern composed of two converging lines connecting peaks and troughs which, in the case of falling wedges, indicates temporary interruptions of upward price rallies and, in the case of rising wedges, indicates interruptions of a falling price trend.
		A true wedge tornado, with a funnel at least as wide at the ground as it is tall, is very rare.
		Wedges often appear with violent tornadoes (F4 or F5 on the Fujita Scale), but many documented wedges have been rated lower.
	www.babylon.com /definition/wedge/English (379 words)

	Basic Mechanics
		All considerations of motion are addressed by mechanics, as well as the transmission of forces through the use of simple machines.
		In a wedge forward movement is converted into a parting movement acting perpendicular to the face of the blade (see Figure 3.6).
		A zipper is simply a combination of two lower wedges for closing and an upper wedge for opening (Figure 3.6).
	www.owlnet.rice.edu /~elec201/Book/basic_mech.html (4001 words)

	Fracture Mechanics - R. J. Sanford
		For a first course in the Mechanics of Fracture at the graduate level (or senior undergraduates with a background in engineering mechanics).
		The attention of Principles of Fracture Mechanics is on the mathematical principles of linear elastic fracture mechanics and their application to engineering design.
		The book is a self-contained manual on the mechanics aspects of the theory of brittle fracture and fatigue and is suitable for either self-study or classroom instruction.
	www.wam.umd.edu /~sanford/fracmech.html (202 words)

	Search Results for wedge - Encyclopædia Britannica
		in mechanics, device that tapers to a thin edge, usually made of metal or wood, and used for splitting, lifting, or tightening, as to secure a hammer head onto its handle.
		The most conspicuous and controversial type of ground ice in permafrost is that formed in large ice wedges or masses with parallel or subparallel foliation structures.
		Ice wedges may be classified as active, inactive, and ice-wedge casts.
	www.britannica.com /search?query=wedge&submit=Find&source=MWTAB (469 words)

	Popular Mechanics: Replacing Wiper Blades - Popular Mechanics
		With pin-type wiper blades, push down on the pin lock to release the wiper blade from the wiper arm with a sideways motion.
		As the rubber insert of a wiper blade sweeps across your wet windshield, a wedge of water builds up in front of the rubber–a squeegee effect–and the wiper displaces that water elsewhere.
		They include the splined shafts that the wiper arms pivot on, the mechanism that creates the back-and-forth pivoting motion and the electric wiper motor that drives the whole system.
	www.popularmechanics.com /automotive/sub_care_sat/1272261.html?page=2&c=y (984 words)

	Numerical solution of the Falkner-Skan equation for various wedge angles -- from Mathematica Information Center
		Flow past a wedge is governed by the Falkner-Skan equation.
		It represents the flow past a flat plate (parameter beta=0, or a wedge angle equal to zero).
		Planar stagnation flow is also treated by the notebook (parameter beta=1 or a wedge angle equal to Pi).
	library.wolfram.com /infocenter/MathSource/6003 (160 words)

	Wedges (Site not responding. Last check: 2007-10-24)
		The wedge is the active twin of the inclined plane.
		By moving one plane relative to the other, a wedge is capable of building up enormous force in a direction perpendicular to that of the moving wedge.
		Force multiplication varies inversely with the size of the wedge angle; a sharp wedge (small inclined angle) yields a large force.
	www.weirdrichard.com /wedge.htm (135 words)

	Links: Curious Pastimes Ltd
		A Wedge can be made of Corporealists or Shaman (but not both) and provides a means of focusing the power of a number of such spellcasters through the use of certain incantations and a device known as a Focus.
		When each member of the Wedge is touching at least one other member in the row directly in front of them, the character acting as the Focus Bearer receives all the cards for the purpose from other Wedge members and pronounces the locking incantation immediately.
		As the verbal is pronounced by the entire Wedge, the Focus Bearer points the Focus at the target undead, who must still be both visible and in range upon completion of the spell verbal.
	www.curiouspastimes.co.uk /rules_main.asp?page=rules_wedge&type=rules (801 words)

	Turker Mirata
		Patent Title: The determination of the undrained shear strength of cohesionless soils by shearing a wedge of the in-situ soil by means of a single hydraulic jack, and the special devices developed for implementing this test.
		Mirata, T., Varan, M., Seçkin, A., and Gün, F. Applications of the cylindrical wedge shear test to the study of shear strength of compacted clays.
		Wedge shear testing of gravels and crushed rock under higher normal stresses, T.
	www.metu.edu.tr /~mirata (919 words)

	[No title]
		As we recall in the appendix, the state space for a single elementary particle in classical mechanics is the seven-dimensional space $\Sigma=(p_k,q^k,t)$.
		As for the case of particle mechanics this condition is trivially satisfied for the vector fields $\partial_\mu$ on $M$ and so it is sufficient to consider those vector fields in the kernel of $\pi_\ast$.
		For example in classical mechanics Maupertuis' principle states that the motion of a classical particle restricted to a fixed energy $E$ and governed by the Hamiltonian $H=\frac1{2m}p^2+V(q)$ is a geodesic for the metric $ds^2=2m(E-V(q))dq^2$.
	www.ma.utexas.edu /mp_arc/papers/93-249 (4947 words)

	[No title]
		Classical Hamiltonian mechanics (as described, for example, by Arnold) is often taught using forms for this reason; dynamical systems on manifolds is a beautiful, clean subject because of differential forms.
		If we wedge w with itself n times, we get a multiple of the phase volume form dp1^...^dpn ^ dq1^...^dqn.
		The first rule is that d is distributive over addition: d[w1_ + w2_] := d[w1] + d[w2] The second rule is a wedge product rule: d[w1^w2] = d[w1]^w2 +- w1^d[w2], where the sign is (-1) to the length of the forms w1.
	www.physics.cornell.edu /sethna/teaching/forms/forms.hints (1129 words)

	Mikhail I. Chebakov. Publications (Site not responding. Last check: 2007-10-24)
		Chebakov M.I. Methods of the solution of some types of dual integral equations and their application to mixed boundary-value problems of the mechanics of continuous media.
		Vorovich I.I., Kucherov L.V., Chebakov M.I. V-resonances in the problem of the stationary oscillations of a stamp on a surface of a strip of periodic structure.
		Mechanics and tribology of transport systems: Proceedings of an International congress.
	www.math.rsu.ru /niimpm/cm/ch_publ_en.htm (973 words)

	[No title]
		The underlying idea of this new formalism was that in statistical mechanics the basic result is Liouville theorem, which follows from but does not require Hamiltonian dynamics.
		Hence there is a complete analogy with the Poisson bracket formulation of Hamilton equations (including the fact that the components of the $(n-1)$-tuple of ``Hamiltonians" $(f_2, \ldots f_n)$ are constants of motion) except, at first sight, for the equivalent of the Jacobi identity which seems to be lacking.
		If we want a similar theorem for Nambu mechanics there must be an infinitesimal form of it which will provide a generalization of the Jacobi identity.
	www.ma.utexas.edu /mp_arc/papers/97-112 (7922 words)

	Simple Machines [encyclopedia] (Site not responding. Last check: 2007-10-24)
		All of these convert low forces into high forces or vice versa, and the ratio of the input force to the output force is the mechanical advantage.
		Mechanical advantage for a lever is equal to the ratio of the length of its two arms, for example, and the mechanical advantage for an inclined plane with the force acting parallel to the plane is the cosecant of the angle of inclination.
		The mechanical advantage of a simple machine is also affected by factors such as friction and elasticity, however, and so will usually differ somewhat from its theoretical value.
	www.kosmoi.com /Science/Physics/Machines (661 words)

	Robot Mechanics, Linkages, Mechanical Devices, and Gadgets
		Mechanical science is most noble and useful beyond all others, since by means of it, all animated bodies that have motion perform all their operations."
		Mechanisms and Mechanical Devices Sourcebook is the most extensive, thoroughly researched reference of its kind.
		Mechanisms and Mechanical Devices Sourcebook is a must addition to your personal technical library.
	www.robotbooks.com /mechanics.htm (2917 words)

	Mechanics and Patterns Exhibit @ The Franklin Institute (Site not responding. Last check: 2007-10-24)
		Mechanics and Patterns Exhibit @ The Franklin Institute
		The Mechanics and Patterns exhibit has been dismantled, but some portions of this exhibit can be seen in Sir Isaac's Loft.
		The lever, pulley, wedge, screw, inclined plane, and wheel and axle are the simple building blocks of many complex machines.
	sln.fi.edu /tfi/exhibits/mechanic.html (116 words)

	Continental Sloop Providence (Site not responding. Last check: 2007-10-24)
		We can use the basics of mechanics to teach about the nature of work and of scientific inquiry.
		Because tools are so familiar and their concept is easily understood, they are a fine introduction to physics and technology.
		This lesson expands the concepts introduced in the mechanical advantage lesson to other tools but also introduces the concept of social interaction when music and sea chanteys are mentioned.
	www.sloopprovidenceri.org /lesson_3.htm (376 words)

	Processes and Causality (Site not responding. Last check: 2007-10-24)
		Relativity and quantum mechanics have forced physicists to abandon these assumptions as exact statements of what happens at the most fundamental levels, but they remain valid at the level of human experience.
		The laws of mechanics, for example, are reversible: from the current trajectory of a ballistic missile, it is possible to compute both its origin in the past and its target in the future.
		Inside a mechanical clock, most of the gears are used to translate the high-speed ticks of a pendulum or vibrating spring to the much slower movement of the hour and minute hands.
	users.bestweb.net /~sowa/ontology/causal.htm (15616 words)

	Sagittal Plane: Hinge Mechanics (Site not responding. Last check: 2007-10-24)
		The combination of the hinge mechanism and the angular distractor allows a gradual incremental angular movement of the bone segments around a desired axis of rotation.
		Biomechanically, three different types of hinges can be identified based on their location: 1) the opening wedge hinge, 2) the closing wedge hinge, and 3) the translation hinge (Paley 1992a, 1992b; Herzenberg and Waanders, 1991; Samchukov et al., 1998d).
		Three different types of hinges for gradual angular deformity correction: the opening wedge hinge (left), the closing wedge hinge (center), and the translation hinge (right).
	www.globalmednet.com /do-cdrom/Biomech/Sagittal/sp009.htm (223 words)

	Undisturbed and Compacted Soils-, Part3 (Site not responding. Last check: 2007-10-24)
		Fredlund, D.G. and Rahardjo, H. Soil mechanics for unsaturated soils.
		Seçkin, A. Further study of shear strength measured in the cylindrical wedge shear test.
		Varan, M. Use of the cylindrical wedge shear test for the compaction control of clay fills.
	www.ejge.com /1999/Ppr9902/referens.htm (282 words)

	Amazon.com: Principles of Fracture Mechanics: Books: R. J. Sanford (Site not responding. Last check: 2007-10-24)
		Intended for a first course in the mechanics of fracture at the graduate level (or senior undergraduates with a background in engineering mechanics) the focus of the book is on the mathematical principles of linear elastic fracture mechanics and their application to engineering design.
		The material is presented in a conversational, yet rigorous, manner with the focus on the general formulation of the theory.
		Introductory chapter on the linear theory of elasticity with pivotal results for the circular hole, elliptical hole, and the wedge leading up to the general problem of bodies with cracks.
	www.amazon.com /exec/obidos/tg/detail/-/0130929921?v=glance (921 words)

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