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# Topic: Work

 Mechanical work - Wikipedia, the free encyclopedia Work (abbreviated W) is the energy transferred by a force to a moving object. Work is associated with a change in energy, but not all changes in energy can be readily analysed in terms of work. The SI derived unit of work is the joule (J), which is defined as the work done by a force of one newton acting over a distance of one meter. en.wikipedia.org /wiki/Mechanical_work   (933 words)

 Work - Wikipedia, the free encyclopedia Work (thermodynamics), a measure of the amount of mechanical work that can be extracted from a system as determined, typically, via free energy calculations. Work (project management), the effort applied to produce a deliverable or accomplish a task. Work (professional wrestling), a staged event – that is, one that enforces kayfabe. en.wikipedia.org /wiki/Work   (378 words)

 Work, Energy and Power   (Site not responding. Last check: 2007-10-27) It is derivable from conservation of energy and the application of the relationships for work and energy, so it is not independent of the conservation laws. For a straight-line collision, the net work done is equal to the average force of impact times the distance traveled during the impact. The rate of doing work is equal to the rate of using energy since the a force transfers one unit of energy when it does one unit of work. hyperphysics.phy-astr.gsu.edu /hbase/work.html   (298 words)

 Calculating the Amount of Work Done by Forces In a previous part of Lesson 1, work was defined as a force acting upon an object to cause a displacement. The work is subsequently calculated as force*displacement*cosine(theta) where theta is the angle between the force and the displacement vectors. Calculate the work done by a 2.0-N force (directed at a 30° angle to the vertical) to move a 500 gram box a horizontal distance of 400 cm across a rough floor at a constant speed of 0.5 m/s. www.glenbrook.k12.il.us /gbssci/phys/Class/energy/u5l1aa.html   (696 words)

 Definition of Work Work is the measure of a quantity that is capable of accomplishing Macroscopic Motion of a System due to the action of a Force over a Distance. Do not confuse the work you do to create a force with the work done by the force you create; they are not the same. Work is related to the distance a force moves an object and not the time it takes to move the object. www.ac.wwu.edu /~vawter/PhysicsNet/Topics/Work/DefinitionWork.html   (527 words)

 Definition and Mathematics of Work The effect that work has upon the energy of an object (or system of objects) will be investigated; the resulting velocity and/or height of the object can then be predicted from energy information. In physics, work is defined as a force acting upon an object to cause a displacement. In summary, work is a force acting upon an object to cause a displacement. www.glenbrook.k12.il.us /gbssci/phys/Class/energy/u5l1a.html   (1276 words)

 Antiderivatives / Work - 1   (Site not responding. Last check: 2007-10-27) Suppose that a spring has a natural length of 2 feet and that a force of 20 pounds is needed to compress the spring to a length of 18 inches. Find the amount work that is necessary to stretch the spring from a length of 2.5 foot to a length of 3 feet. Find the amount of work to move a tank up to the top of a building which is 250 feet high. archives.math.utk.edu /visual.calculus/5/work.1   (205 words)

 Work   (Site not responding. Last check: 2007-10-27) Work can be defined as the product of the force used to move an object times the distance the object is moved. Calculate the amount of work that has to be done to lift a 10-pound bag of groceries a distance of 2.5 feet from the floor to the top of the kitchen counter. Work can't be a state function because it is proportional to the distance an object is moved, which depends on the path used to go from the initial to the final state. chemed.chem.purdue.edu /genchem/topicreview/bp/ch5/work.html   (1435 words)

 work on Encyclopedia.com WORK [work] in physics and mechanics, transfer of energy by a force acting to displace a body. When there is no friction and a force acts on a body, the work done by the force is equal to the increase of the kinetic and potential energy of the body, since all the energy expended by the agency exerting the force must be gained by the body. The efficiency of a machine, which is defined as the ratio of the work output to the work input, is always less than one, since some of the input is invariably wasted in overcoming friction. www.encyclopedia.com /html/w1/work.asp   (941 words)

 Work Quotes | Work Quotations | Work Sayings | Wisdom Quotes Don't waste life in doubts and fears; spend yourself on the work before you, well assured that the right performance of this hour's duties will be the best preparation for the hours and ages that will follow it. The object of all work is production or accomplishment and to either of these ends there must be forethought, system, planning, intelligence, and honest purpose, as well as perspiration. Work for something because it is good, not just because it stands a chance to succeed. www.wisdomquotes.com /cat_work.html   (1165 words)

 THE ABOLITION OF WORK by Bob Black   (Site not responding. Last check: 2007-10-27) Work is the source of nearly all the misery in the world. Work is a much better explanation for the creeping cretinization all around us than even such significant moronizing mechanisms as television and education. People who are regimented all their lives, handed off to work from school and bracketed by the family in the beginning and the nursing home at the end, are habituated to heirarchy and psychologically enslaved. www.zpub.com /notes/black-work.html   (6018 words)

 Howstuffworks "How Force, Power, Torque and Energy Work" Work is simply the application of a force over a distance, with one catch -- the distance only counts if it is in the direction of the force you apply. It may have felt like you did more work, but while you were walking with the weight you moved horizontally, while the force from the weight was vertical. The units of work are the same as the units of energy, which we will discuss later. science.howstuffworks.com /fpte6.htm   (287 words)

 Work Done by a Gas Thermodynamics is a branch of physics which deals with the energy and work of a system. On a graph of pressure versus volume, the work is the area under the curve that describes how the state is changed from State 1 to State 2. But the work for the constant pressure process is greater than the work for the curved line process. www.grc.nasa.gov /WWW/K-12/airplane/work2.html   (892 words)

 The Physics Classroom The equation for work lists three variables - each variable is associated with the one of the three key words mentioned in the definition of work (force, displacement, and cause). When determining the measure of the angle in the work equation, it is important to recognize that the angle has a precise definition - it is the angle between the force and the displacement vector. Whenever a new quantity is introduced in physics, the standard metric units associated with that quantity are discussed. www.physicsclassroom.com /Class/energy/u5l1a.html   (1196 words)

 "Work" Word Problems Many of these problems are not terribly realistic (since when do two typists work together on one report?), but it's the technique that they want you to learn, not the applicability to "real life". There is a "trick" to doing work problems: you have to think of the problem in terms of how much each person/machine/whatever does in a given unit of time. The negative indicates that the faucet is working against the drain. www.purplemath.com /modules/workprob.htm   (1229 words)

 How Things Work - How Things Work Home Page Their refusal to submit their work to scientific peer review is supposedly based on a fear that such review will be biased and subjective, controlled by the conspiracy. I am in 4th grade, and working on a science fair project using a basketball and have it pumped with 0 psi, 3 psi, 6 psi, 9 psi and 12 psi of air. This recharging only works well on batteries that are designed to be recharged since many common batteries undergo structural damage as their energy is consumed and this damage can't be undone during recharging. howthingswork.virginia.edu   (20563 words)

 work Work is the result of a force applied to an object and the measure of the distance that object has moved. In order for work to be done on an object, a force must move it. If you were to push on a brick wall all day as hard as you could, even though you may feel like you have done work, no work would have been done since the wall never moved. www.usoe.k12.ut.us /curr/science/sciber00/8th/machines/sciber/work.htm   (220 words)

 The Portal for Work Abroad and Jobs Overseas Author of the bible on work abroad, The BIG Guide to Living and Working Overseas, Jean-Marc Hachey shares his insights into international employment trends and offers inspirational advice to short- and long-term job seekers in an interview with Transitions Abroad. Work Abroad expert William Nolting provides a comprehensive overview of the process for finding the type of work abroad upon which to build your resume. Tim Leffel draws from his experience working abroad and interviews others to illustrate how taking the plunge and living as a local is often the best path to interesting and fulfilling work overseas. www.transitionsabroad.com /listings/work/index.shtml   (1778 words)

 Frithjof Bergmann - New Work, New Culture So New Work is simply the attempt to allow people, for at least some of their time, to do something they passionately want to do, something they deeply believe in. When one is working in a similar way to these people, it's quite common to feel that people neglect even their intimate relationships and their children precisely because their work is so fascinating, so absorbing, so consuming, and so exciting; now this is what work can be at its best. My experience working 10 years with auto workers is that they get so frustrated in their jobs that once every four months, in a rage, they go off to the nearest mall and fill up their pick-up truck with anything they can find. www.context.org /ICLIB/IC37/Bergmann.htm   (3377 words)

 work - Wiktionary No work is done if the object does not move. Work is done against friction to drag a bag along the ground. They worked on her to join the group. en.wiktionary.org /wiki/work   (513 words)

 Work Quotes - The Quotations Page One of the symptoms of an approaching nervous breakdown is the belief that one's work is terribly important. In order that people may be happy in their work, these three things are needed: They must be fit for it. Anyone can do any amount of work provided it isn't the work he is supposed to be doing at the moment. www.quotationspage.com /subjects/work   (531 words)

 Work In almost all cases considered when studying mechanical forms of energy, when work is done on an object a force is applied to the object, and the object is displaced while this force is acting upon it. The amount of work is calculated by multiplying the force times the displacement. Now, since work is calculated as the product of force times displacement, many different combinations of forces and displacements could yield the same work, or the same energy transfer. id.mind.net /~zona/mstm/physics/mechanics/energy/work/work.html   (703 words)

 Work at Home - Home Business for REAL People The Work at Home Index evaluates each and every home business opportunity submitted to our directory.* These quality resources may provide you with essential information you need to launch, run, and maintain a successful business as a home worker. everyday people are working at home and earning real money in their spare time just to give their opinion about products and services they already use. When you work at home, one of the biggest challenges can be keeping the kids busy. www.work-at-home-index.net   (1164 words)

 Madeleine Begun Kane, Humor Columnist, Job, Workplace, & Career Humor Working Stiffed "Finding a new job can be a daunting challenge. Work is unbearable, I have no free time, and I'm expected to "make rain" at parties. Gender At Work "Our Portia has come up with an excellent solution." A trial judge said this about me several years ago in open court, when I was still a full-time litigator. www.madkane.com /work.html   (767 words)

 Opportunities for Workamping (or Work Camping) -- over 175 sites in 12 states Work Camping, often referred to as "Workamping", is one of the fastest growing trends in the American job market. In most cases, work campers (both individuals and couples) with their own RV offer their labor as a camp host maintaining a recreational facility in exchange for a free camping site plus wages. Since the whole point of workamping is to be able to work outdoors in a beautiful setting, location is critical. www.work-camping.com   (307 words)

 Against the Grain: Getting Projects To Work Together   (Site not responding. Last check: 2007-10-27) Working together bears fruit when it is perceived as fun, such as a sprint. Is it hard to make project A to work with project B? Most of the open source developers I know seem to work on things that are interesting or useful to them (for fun or profit). Some of us have to work with partially proprietary codebases during the day which means GPL is mostly out of the question. www.advogato.org /article/657.html   (2621 words)

 Working in New Zealand If you're still deciding whether you want to work in New Zealand, take a look at the work opportunities (our discover and decide website) that are on offer here. If you’re aged between 18 and 30 years you may be eligible to experience life in New Zealand on a working holiday. Work to residence in NZ Work in NZ Temporarily www.immigration.govt.nz /work   (363 words)

 Work If (ie: no work is done when holding a heavy box, or pushing against a wall). (ie: no work is done by carrying a bucket of water horizontally). The SI units of work are Joules (J) (1 Joule = 1 Newton theory.uwinnipeg.ca /physics/work/node2.html   (102 words)

 SMART96 WORK   (Site not responding. Last check: 2007-10-27) WORK: You are doing work when you use a force to cause motion. To measure the amount of work you do, multiply the force times the distance the object moved. A newton meter (N-m) is called a joule (J) Machines make work easier.The work that comes out of a machine can never be greater than the work put into a machine. www.ed.uri.edu /SMART96/ELEMSC/SMARTmachines/work.html   (118 words)

 CIC Canada | Work Temporarily in Canada   (Site not responding. Last check: 2007-10-27) However, some types of work are exempt from this process. The Employer’s Role: Before a foreign national may work in Canada, you, as an employer, must check with HRSDC to confirm the job offer you have made to the foreign worker. After working two years as a live-in caregiver, you can apply to be a permanent resident of Canada. www.cic.gc.ca /english/work   (372 words)

 Work Blog - A Third of Your Life, All of the Time   (Site not responding. Last check: 2007-10-27) A 17-year-old Rosemead boy has admitted booby-trapping pens that exploded at two high school campuses and injured three people, telling investigators he did it as revenge for being expelled, a police detective said Thursday. The BBC has some answers, and the involve both the words "explosion" and "infection", even for people who don't work in meth labs. In a warning to everyone who uses email at work, Allens confirmed that Katrina Nugent and Melinda Bird had been sacked and other high-flyers were facing disciplinary action. work-magazine.com /blog   (763 words)

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