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Topic: Pound-force

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Pound - Wikipedia, the free encyclopedia Pounds are also used for the force definitions of weight, as well as for other forces, in which the pound force is a unit of force equal to 4.448 newtons. But because the foot-pound-second systems are no longer used in science (and are gradually approaching extinction even in U.S. engineering work), many scientists today would be as bemused by this question as by the question of whether the shekel is a unit of mass or of force. In many countries that use the SI or metric system, the pound (or its translation, for example, the German Pfund, the French livre, the Dutch pond, the Spanish and Portuguese libras, or the Chinese jin) is used as an informal term for half of a kilogram, therefore for this case the pound is 500 grams. en.wikipedia.org /wiki/Pound   (1976 words)

Pound-force per square inch - Encyclopedia, History and Biography At 1 psi, a force of one pound-force is applied to an area of one square inch. www.arikah.com /encyclopedia/PSI   (229 words)

Units: P A pond is the gravitational force on a mass of one gram; thus it is equal to 980.665 dynes or 0.002 204 622 6 pounds of force. One pound mole of a chemical compound is the same number of pounds as the molecular weight of a molecule of that compound measured in atomic mass units. If a force of one dyne is needed to move one square centimeter of the liquid or gas relative to a second layer one centimeter away at a speed of one centimeter per second, then the viscosity is one poise. www.unc.edu /~rowlett/units/dictP.html   (9377 words)

pound force The unit of force in the British gravitational system of units, approximately the force which a mass of 1 pound exerts on whatever it is resting on on the Earth; that is, the weight of a mass of 1 pound. The pound-force, however, is unvarying; it is defined as the weight (a force!) that a body with a mass of 1 pound would exert at a location where the acceleration due to gravity was exactly 32. The weight of a mass of 1 pound varies from place to place; it weighs less at the equator than at the poles, and is lighter at high altitudes than at sea level. www.sizes.com /units/pound_force.htm   (207 words)

Pound-force - Wikipedia, the free encyclopedia The pound-force is equal to a mass of one pound multiplied by the standard acceleration due to gravity on Earth (which is defined as exactly 9.806 65 m/s², or exactly 196,133/6096 ft/s², or approximately 32.174 05 ft/s²). In SI units, a pound-force is equal to exactly 4.448 221 615 260 5 newtons, if the metric standard acceleration of gravity is borrowed for this purpose. See pound for a more complete discussion of customary units of force and mass. en.wikipedia.org /wiki/Pound-force   (205 words)

Weight vs. Mass; What's the Difference? The symbol for the pound force is lbf, and the symbol for the ounce force is ozf. The magnitudes of the measurements of mass and force may be the same, within the limits of the precision of the measurement, at some places on earth if the mass is measured in pounds mass and the force is measured in pounds force, for example. The modern practice is to use pounds and ounces, etc., for the mass units with the symbols lb, oz, etc. If the force units of the same name are used, they should be identified as such (pounds force, ounces force, short tons force, long tons force). ourworld.compuserve.com /homepages/Gene_Nygaard/weight.htm   (4527 words)

Pound-force per square inch - Wikipedia, the free encyclopedia At 1 lbf/in², a force of one pound-force is applied to an area of one square inch. The language dependent abbreviation psi is common in regions where English is spoken. www.wikipedia.org /wiki/Psig   (194 words)

SLUG Kilograms force bears the same relationship to kilograms mass that the pound force bears to the pound mass. which is the weight of one kgm when force is measured in kgf. However spring scales are available which measu re weight in kilograms which are actually kilograms force. et.nmsu.edu /~etti/winter98/education/gohmann/slug.html   (521 words)

Lecture 10: Principle of Moments The total moment caused by the 100 pound force F at point B is again 1200 pound-inches. The line of action of the the 100 pound force can be inspected to determine if there are any convenient geometries to aid in the decomposition of the 100 pound force. At each point, A, B, C, D and E the total moment around the bolt caused by the 100 pound force equalled 1200 pound-inches. darkwing.uoregon.edu /~struct/courseware/461/461_lectures/461_lecture10/461_lecture10.html   (469 words)

Pound-force per square inch - Unipedia At 1 lbf/in², a force of one pound-force is applied to an area of one square inch. www.unipedia.info /PSI.html   (172 words)

Physics Tutoring: Measurements The "pound force" is simply the gravitational force experienced at Earth's surface by a mass of one pound. Ideally the "pound mass" should be abbreviated lbm and the "pound force" lbf to reduce confusion. The Saxon pound was the oldest standard in England until it was replaced by Henry VIII with the Troy pound in 1527. www.slcc.edu /schools/hum_sci/physics/tutor/2210/measurements   (1006 words)

Talk:Pound-force per square inch - Wikipedia, the free encyclopedia PSI is an acronym that stands for "pounds per square inch." That is, force per unit area where the force is expressed in units of pounds and the area is expressed in units of square inches. I think I would start by writing this (corrections are welcome): www.wikipedia.org /wiki/Talk:PSI   (161 words)

Access Code: Force Gauge Designed specifically to measure force of operation in the range of 0 to 35 pound force (lbf). On a door, force should be applied at the handle or 30 inches in from hinges, whichever distance is greater. Holding the instrument firmly and, in a position both perpendicular and in line with the object to be measured, apply force gradually until the window or door moves it's required travel. www.windowease.com /forcegauge.html   (216 words)

The pound-force - Physics There is also the cousin of g_n, the dimensionless constant g_c, which is the ratio of the acceleration used to define a pound force and the acceleration to define a poundal (1 ft/sﾲ), so the units cancel out. The pound-force is a unit of force or weight (properly abbreviated "lbf" or "#"). Donald G. Shead wrote: > The pound-force is a unit of force or weight (properly abbreviated > "lbf" or "#"). www.okka.biz /The_pound-force-1765079-288-a.html   (519 words)

Measurement Conversion A troy pound is divided into 12 troy ounces and is equal to 5760 grains. An avoirduois pound is divided into 16 ounces and is equal to 7000 grains. Newtons, Slugs and Kilograms Force: Explains the relationship between dimensions for mass and weight. sio.midco.net /dfranklin/measure   (464 words)

Dynes and Slugs The centrifugal force is independent of the velocity and proportional to the square of the angular velocity, and is in a plane normal to the axis of rotation. In this case, the force resisting the motion is F = 6πηaV dynes, where η is in poise, a in cm, and V in cm/s. This is motion in a plane with constant r, and the force on the bob of mass m is downward, and of amount mg. www.du.edu /~jcalvert/phys/cgsfps.htm   (5905 words)

Mass and Weight I feel that the pound as used, and measured, in the English system is the pound-force. In reality the relationship of 454 G=1 pound (force pound) holds only on earth. 1 poundal = 0.1383 Newtons (clearly a unit of force) chem.lapeer.org /chem1docs/Mass&Wt.html   (225 words)

ELEPHANT RACING Tech Topic, HP vs Torque If we apply a one pound force at the other end of that lever arm a one foot pound twisting force will be exerted (one foot pound of torque). The twisting force at the drive axle is converted to a linear force where the tire tread meets the road surface. Neglecting driveline losses, the axle torque and linear force that pushes the car are directly proportional to the crankshaft torque for a given gear. www.elephantracing.com /techtopic/hpvstorque.htm   (1199 words)

ConvertIt.com Measurement Converter Try converting from "pound force" to atomic weight, dyne (cm*gm/s^2), gram force, kip (kilopound force), newton, poundal, sthene, ton force, or any combination of units which equate to "mass length / time squared" and represent bending moment to length, force, or weight. pound force = 2.73E+26 atomic weight, 444,822.16 dyne (cm*gm/s^2), 453.59 gram force,.001 kip (kilopound force), 4.45 newton, 32.17 poundal,.00444822 sthene,.00045359 ton force. Please read our Help Page and FAQ Page then post a message or send e-mail. convertit.com /Go/ConvertIt/Measurement/Converter.ASP?From=pound+force   (89 words)

Howstuffworks "How Force, Power, Torque and Energy Work" That is, the more force you apply to an object, the greater the rate of acceleration; and the more mass the object has, the lower the rate of acceleration. The force you apply to the scale compresses a spring, which moves the needle. This is the amount of force that the Earth exerts on you. science.howstuffworks.com /fpte2.htm   (467 words)

Air Force CTO flies high with IT strategy Pound: We have a lot in common with many large corporations -- not the dot-coms, but large corporate environments -- because we have 10,000 to 12,000 folks here that we are supporting. In Pound's case, however, that staff is arguably one of the most crucial research organizations in the country. Pound: We have to support this guy who considers a Cray computer to be his desktop machine --literally. www.infoworld.com /articles/hn/xml/00/06/19/000619hnctointerview.html   (2375 words)

RMP Lecture Notes Gravitational formulations of this type set the unit of mass as the "slug" and the unit of force as the "pound". The units for working with mass and force tend to be confusing for many students. The SI system of units is absolute with respect to force, so we will follow that convention in everything we do. www.cbu.edu /~rprice/lectures/force.html   (502 words)

The Ultimate PSI - American History Information Guide and Reference Pounds-force per square inch (PSI) is a non-SI unit of pressure, in which a force of one pound-force is applied to an area of one square inch. For technical accuracy, psi must be expressed as psig (pounds-force per square inch gauge) or psia (pounds-force per square inch absolute; that is, gauge pressure plus sea level atmospheric pressure, or psig plus approximately 14.7 psi). www.historymania.com /american_history/Psia   (189 words)

Pounds, kilogrammes, weight, mass, force? - Bad Astronomy and Universe Today Forum The pound besides being a monetary unit is also a unit of force and a unit of mass. One could say that the statement "pounds only measure force" is wrong because a "pound" is also a public kennel for stray dogs, and it'd have just about as much relevence. Well, in all systems of units for force, mass and acceleration, one unit of the force will give 1 unit of the mass an acceleration of one unit of distance/one unit^2 of time. www.bautforum.com /showthread.php?t=610   (1723 words)

ISS X-Force Database: pound-logmsg-format-string(16033): Pound logmsg function format string Pound is a freely-available reverse proxy program used to distribute the load among multiple Web servers for Linux and Unix-based operating systems. Pound versions 1.5 and earlier are vulnerable to a format string attack. CAN-2004-2026: Format string vulnerability in the logmsg function in svc.c for Pound 1.5 and earlier allows remote attackers to execute arbitrary code via format string specifiers in syslog messages. xforce.iss.net /xforce/xfdb/16033   (277 words)

Foot-pound force - Wikipedia, the free encyclopedia In physics, a foot-pound force (symbol ft·lbf) is most of the time incorrectly abbreviated to foot-pounds, is from the English Engineering System and U.S. customary unit of mechanical work, or energy, although in scientific fields one commonly uses the equivalent metric unit of the joule (J). Strictly speaking, foot pound is a different unit, having the dimensions of length×mass, rather than the foot-pound force's length×mass×acceleration, but it has few applications, which is why the abbreviation of "foot-pound force" to "foot pound" is rarely a problem. The foot-pound force is also the unit of torque, which is conventionally expressed in SI units as newton-meters rather than joules. en.wikipedia.org /wiki/Foot-pound   (418 words)

Maryland Metrics: Some Notes on Tightening Torque and Tensile Load This force in newtons (N) is the equivalent of an Fo max value. The product of a force and the leverage length at which it is applied: Torque (N·m) = Force (in newtons) x Length (in metres). The force in newtons (N) which maintains pressure contact between assembled components. mdmetric.com /tech/tech4/mdmguide_serrage.htm   (401 words)

pound-force a foot-pound-second unit of force, equal to the force that produces an acceleration equal to the acceleration of gravity when acting on a mass of one pound. www.infoplease.com /ipd/A0598169.html   (44 words)

The pound-mass as the culprit for unit conversion confusion We must realize that weight is a force that is described by such units as the Newton and the pound (pound-force), and that mass is described by kilogram and slug. Yes, Sir Isaac Newton did say that Force is proportional to mass times acceleration, and that did provide an avenue for educators to explain the matter of pound-mass in terms of the proportionality constant, (1/g), but this approach leads to great difficulty in the understanding of the English units. Whereas, the pound implied as a unit of mass or directly as pound-mass, the student should refer to the above three statements that advocate the total discard of the pound-mass. members.aol.com /luthben/unit.html   (489 words)

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