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Topic: Effort distance

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	Untitled Document
		If the effort arm is longer than the load arm, as in the crowbar, the effort travels farther than the load and is less than the load.
		The law of equilibrium is: The effort multiplied by its distance from the fulcrum equals the load multiplied by its distance from the fulcrum.
		This effort times distance about the fulcrum is the torque, the rotational force referred to in the gears (wheel and axle) tutorial.
	www.ent.ohiou.edu /~bobw/html/HapEd/NASA/SimpMach/Lever.htm (381 words)

	MSN Encarta - Print Preview - Pulley
		Pulleys increase distance by requiring additional rope to be pulled to lift an object.
		MA is generally determined by dividing the distance the effort travels by the distance the load travels.
		A single fixed pulley, such as that at the top of a flagpole, has a theoretical MA of 1, which means for each distance of rope the user pulls in, the flag rises the same distance.
	encarta.msn.com /text_761570653___6/Pulley.html (685 words)

	Levers and Torque
		The effort and the resistance are on opposite sides of the fulcrum.
		In a class two lever the force of the effort multiplied by the distance of the effort from the fulcrum is opposite and equal to the force of the resistance multiplied by the distance of the resistance from the fulcrum.
		In a class three lever the force of the effort multiplied by the distance of the effort from the fulcrum is opposite and equal to the force of the resistance multiplied by the distance of the resistance from the fulcrum.
	www.comfsm.fm /~dleeling/physics/torque.html (954 words)

	Simple Machines (Site not responding. Last check: 2007-10-25)
		Second, the effort force is applied parallel to the slope of an inclined plane, while the effort force is applied perpendicular to the direction of travel when using a wedge.
		The mechanical advantage of a lever is the ratio of the length of the arc on the effort side to the length of the arc on the resistance side (whew, that sounds technical J).
		When the fulcrum is closer to the resistance force (resistance arm less than effort arm), the effort force is increased, but there is a corresponding decrease in both the distance the resistance force moves and the speed with which it moves.
	www.engineering.usu.edu /jrestate/workshops/machines/machines.php (3977 words)

	MSN Encarta - Pulley
		The pulley is one of the four simple machines (along with the lever, the wheel and axle, and the inclined plane) used to do work.
		Work is defined in physics as the result of a force, such as the effort of pulling on a rope, that moves an object across a distance.
		Pulleys reduce the effort to lift an object by increasing the distance over which the effort is applied.
	encarta.msn.com /encyclopedia_761570653/Pulley.html (1170 words)

	New Page (Site not responding. Last check: 2007-10-25)
		Distance education at USU should concentrate on making upper-division courses available to students who started college but are no longer able to attend on campus.
		The process of registering for distance education and on-campus courses should be as nearly identical as possible.
		It points to how distance education technology is evolving, and reminds us that as we assign control over research and development we should consider that we have had great success with letting individual departments explore approaches to distance education.
	www.usu.edu /fsenate/Archives/fsec/agendas/reports/de.html (4016 words)

	MECH_knowledge.html
		Since the effort distance is twice the resistance distance, the effort must be half the resistance.
		The distance between point where the wheel touches the ground (in a wheel on a vehicle) and the point about which the wheel turns is the resistance arm.
		The steering wheel on a car has a mechanical advantage greater than one, because the effort is applied at the rim and the resistance is overcome at the shaft of the steering wheel.
	www.unis.org /UNIScienceNet/MECH_knowledge.html (886 words)

	[No title]
		In a second-class lever, the resistance force is between the effort force and fulcrum.
		In a third-class lever, the effort force is between the resistance force and the fulcrum.
		The fulcrum is between the effort force and the resistance force on a first-class lever.
	members.cox.net /mr.graham/Assignments_files/work_power_simple_machines_notes.txt (1060 words)

	Abstracts
		The rationale behind such an investment of effort in distance learning courses is that once the materials are developed, they can be used to teach a greater number of students and that time would be saved from not having to run face-to-face classes.
		The overall effort, depending on the number of students, can therefore be at least one and half to two times that for a traditional course with the same number of students.
		Distance learning students tend to be older, pay their own fees and the course experience is what they are paying for.
	www.icte.org /T00_Library/ID127.htm (1069 words)

	SMART96 FORCE (Site not responding. Last check: 2007-10-25)
		The force applied to to the machine is called work input or effort force.
		The number of times the machine multiplies the effort force is called the Mechanical Advantage.
		MA = the distance from the fulcrum on the larger side
	www.ed.uri.edu /SMART96/ELEMSC/SMARTMachines/Force.html (275 words)

	[No title]
		The Task Force met over a two-year period to discuss issues related to distance education on the UTC campus and to highlight institutional needs necessary to ensure quality academic integrity in the area of distance education.
		This preliminary report is an effort to communicate the resources, policies and issues that need to be addressed to support a quality distance education effort that is sustainable.
		The Distance Education Coordinating Committee should be a continuing committee, to ensure that the appropriate individuals, units and committees carry out and clearly document the University- and SACS-mandated oversight activities.
	www.utc.edu /Administration/CurriculumCommittee/dereport.doc (929 words)

	Archived Newsletter: To Infinity and Beyond
		The force (F) (either the load or the effort) multiplied by the length of the lever arm (d) (distance from the fulcrum to the point at which the force acts) is what tends to rotate a lever on its fulcrum.
		But if you move the position at which the effort is applied farther from the fulcrum, and apply the same amount of force, force times distance on the effort side produces more torque than force times distance on the load side.
		When the distances are equal (both at 10 cm from the fulcrum), the force of the load (2.4 N) equals the force of the effort (2.4 N).
	www.lhs.berkeley.edu /foss/newsletters/archive/FOSS13.Infinity.html (996 words)

	Understanding the Hock
		The goal in most lever designs is to have a greater distance between the fulcrum and the effort than the fulcrum and the load.
		The greater this distance the stronger the joint, the less effort needed.
		This position is the position of choice for the Dachshund, but for breeds whose functions require trotting for longer distances, this position prohibitively compromises the efficiency of other areas of the rear assembly.
	darkstarrrotts.com /hock.htm (1460 words)

	Technology and Distance Learning for School Leaders (Site not responding. Last check: 2007-10-25)
		Preparing school leaders to be effective in tomorrow's world requires programs that develop the knowledge, skills, and attitudes that enable them to adapt to changes in the field of technology and to recognize when and how technology can be used to support the mission and goals of their schools.
		Although students had fewer opportunities to discuss the issues with each other in the distance learning setting, there was a great deal of e-mail conversation between students and the instructor, and the instructor summarized student responses and shared the results with the rest of the class through list serves.
		The title of the article seems to promise discussion of the impact of technology and distance learning on school leaders … while this issue is introduced in the first paragraph, it is only at the very end of the article where the issue is again discussed.
	horizon.unc.edu /ts/editor/79a.html (1829 words)

	Effort force - Wikipedia, the free encyclopedia
		In physics, effort force is the force used to moving an object over a distance.
		Effort force is a component in the following equation,
		Effort force, like most other forces, is measured in newtons or the pound-force.
	en.wikipedia.org /wiki/Effort_force (82 words)

	Online@SFSU
		The choice of distance education as an option for a course should be made with concern for the appropriateness of the delivery mechanism for course content, possibilities for student interaction, and the protection of faculty intellectual property.
		Distance Education is defined as a planned teaching/learning experience that uses a wide spectrum of technologies to reach learners at a distance and is designed to encourage learner interaction and certification of learning.
		Distance education (or correspondence/home study) is the enrollment and study with an educational institution which provides lesson materials prepared in a sequential and logical order for study by students on their own.
	online.sfsu.edu /dereport.htm (12323 words)

	DTEACh - Basic Machines and their Components
		where the distance is called the “load arm” and the distance b is the “effort arm”.
		To determine the relationship between the offset distance of an eccentric cam and the stroke of its follower, note that the distance from the axis of rotation to the point on the profile where the follower is lowest is given by (see figure on next page):
		For a mating pair of gears, the distance moved, in revolutions, is proportional to the number of teeth in each gear, since the teeth are the same size.
	www.engr.utexas.edu /dteach/Experience/mechanisms/brief_mechanisms.htm (3664 words)

	IngentaConnect Perception of vocal effort and distance from the speaker on the b... (Site not responding. Last check: 2007-10-25)
		IngentaConnect Perception of vocal effort and distance from the speaker on the b...
		Perception of vocal effort and distance from the speaker on the basis of vowel utterances
		The results obtained when listeners had to estimate vocal effort as well as distance suggest that an analysis of an utterance takes place at an early stage in auditory processing, before memories of episodes are stored.
	www.ingentaconnect.com /content/psocpubs/prp/2002/00000064/00000001/art00010 (169 words)

	79b.html (Site not responding. Last check: 2007-10-25)
		Although students had fewer opportunities to discuss the issues with each other in the distance learning setting, there were frequent e-mail conversation between students and the instructor, and the instructor summarized student responses and shared the results with the rest of the class through list serves.
		Their own experiences are likely to influence their attitudes toward distance learning in K-12 settings and increase their awareness of the issues to be considered when making decisions regarding the use of technology in schools of the future.
		The evaluation of the pilot effort revealed mixed results, but the experience with distance learning did improve technology skills for students and faculty, and the future school leaders have a better understanding of the advantages and disadvantages of distance learning.
	horizon.unc.edu /ts/editor/79b.html (1616 words)

	machine: Mechanical Advantage and Efficiency of Machines (Site not responding. Last check: 2007-10-25)
		Ideally, the two ratios are equal, and it is simpler to calculate the ratio of the distance the effort moves to the distance the resistance moves; this is called the ideal mechanical advantage (IMA).
		The efficiency of a machine is equal to the ratio of its output (resistance multiplied by the distance it is moved) to its input (effort multiplied by the distance through which it is exerted); it is also equal to the ratio of the AMA to the IMA.
		In a catapult an effort greater than the load moves through a short distance, causing the load to be moved through a large distance before being released.
	www.infoplease.com /ce6/sci/A0859410.html (725 words)

	Fly Casting: More Distance, Less Effort
		When fly-fishing for striped bass, a long cast allows you to cover a lot of water; you show your fly to as many fish as possible and your fly is fishing the majority of the time.
		The most distance and power you’ll ever add to your cast will come through refining your basic casting stroke: learning to load and unload the rod properly, learning to form tight loops, and lengthening your casting stroke when you’re casting distance.
		The first thing you can do to increase your distance and power with no additional effort is to let your final back cast unroll completely before you begin your forward stroke.
	www.flyfishsaltwaters.com /fly_casting_less_effort.htm (2408 words)

	The International Myopia Prevention Association
		Weak reading glasses are better than nothing and far better than distance glasses for the child who is beginning to experience myopia, but studies have shown that weak reading glasses are usually not enough to prevent myopia.
		The distance between the lens centers conforms to the usual distance between the pupils of the adult head.
		The distance between the child's pupils should be measured when the eyes are converging on a book.
	www.preventmyopia.org /faq.html (845 words)

	Machines: Making Work Easier
		Using the pulley system to the right, the load is 480 N and it is lifted 6.0 meters.
		To lift a 540-N load a total of 12.0-m, you turn a crank with a force of 110-N pushing it through a distance of 72-m.
		A pole is a total of 2-m long and is pivoted 30 cm from a rock that acts as the fulcrum.
	www.lcusd.net /lchs/mewoldsen/MACHINES.htm (567 words)

	That's One Bad Machine! (Site not responding. Last check: 2007-10-25)
		Work input is equal to the effort force times the distance through which the force is applied, or the distance through which the machine moves.
		This distance is called the resistance distance, dR. WO = FR x dR (The work output of the crowbar, WO, is equal to the force the crowbar exerts on the nail, FR, times the distance the nail moves, dR. Machines make work easier.
		The distance the object moves, or the force applied, is called resistance distance.
	schoolscience.rice.edu /science/curricula/PrintPreviewLearningExperienceOnly.cfm?LEID=849&CurriculaID=169 (1224 words)

	[No title]
		Recommendations #1 Distance Education program as a college-wide effort Distance Education as a new, although complementary, direction for the college should be embraced and supported by everybody at GateWay.
		Distance Education is a new venue that will enrich the delivery of instruction and should not be considered a threat to the fundamental teaching values.
		To succeed, it is imperative that the GateWay Distance Education offerings be the result of a well thought-out plan that reflects the strengths of the college and matches them with the needs of the community.
	www.gwc.maricopa.edu /home_pages/lampis/courseinfo/recommendations1.doc (1731 words)

	Brilliant Books - IBM Product (Site not responding. Last check: 2007-10-25)
		The outcome reveals how greater effort is needed to lift the boulder faster.
		This scene demonstrates the equation that governs whether the effort and effort distance are sufficient to lift the boulder.
		The number in the boxes change as the reader changes the effort, effort distance, and boulder weight.
	www.brilbook.com /html/ibm.html (309 words)

	[No title]
		Effort is measured in units called newtons (vs. cm for length, ml for volume, etc.).
		Activity: Using the spring scales and other equipment, have students test their predictions to the wagon and hill story (comparing the effort it takes to lift a mass to a certain height vs. pulling it up a ramp to the same height).
		In small groups students compare the 3 different ramps, measuring effort and distance and recording their findings.
	www.coe.missouri.edu /~abells/roes/lesson-plan2.html (564 words)

	BLOCK AND TACKLE
		The object now is to try to measure the distance that the resistance moves and the distance that Effort moves.
		Now, using your Large nut, (Do not use the Rubber band scale for this) with your Two foot metric PVC pipe in back of the second combination of block and tackle, pull straight up on the Twine, so that all sides of the twine are parallel.
		In a pulley system, an effort of 70 pounds is used to lift an unknown resistance a distance of 6 feet, when the effort moves a distance of 24 feet.
	users.snip.net /~veraandscience/Work/Block_and_tackle.html (633 words)

	[No title] (Site not responding. Last check: 2007-10-25)
		The problem or goal was identified as access, i.e., the goal of distance education should be to increawse access to University programs.
		It was stated that the alternatives needed to be cost effective and that distance education effort should highlight UNH faculty and programs, rather than programs produced or brought in from other organizational sources.
		The Committee will decide at its next meeting between developing a focused effort for distance education vs a broad vision of future possibilities for the direction it should take.
	www.unh.edu /Campus/councils/distance/19961018.minutes (410 words)

	racelisting \| Distance and Timed Intervals - The Poor Mans Power Meter
		At the end of the initial effort record the end point landmark on the roadside such as a pole, tree or crack in pavement.
		Distance Intervals and Timed Intervals are used to determine performance data such as Heart Rate Training Zones, Power Training Zones, gauge current fitness and determine Personal Record performances.
		Distance Intervals are great way to brag to your group ride buddies and teammates on about how fast your personal best is up that killer climb, finish placing for an Individual Time Trail or your time for a certain course.
	www.racelistings.com /rzone/articles/article.asp?recid=341 (1277 words)

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