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# Topic: Center of gravity

###### In the News (Sat 16 Feb 19)

 Where Is Your Center Of Gravity? In a regular geometric solid with the uniform density, the center of gravity is the object's geometric center. The center of gravity of the board is its geometrical center because it is a uniform rectangular solid. The position of the center of gravity of the person is what we are trying to determine and will be defined by X, the distance from A, the axis we have chosen. sln.fi.edu /wright/again/wings.avkids.com/wings.avkids.com/Curriculums/Forces_Motion/center_summary.html   (551 words)

 Center of gravity - Definition, explanation Most astronomical objects are radially symmetric, causing both the center of gravity and the center of mass to coincide at the center of the sphere. In a radially uniform gravitational field (such as the one formed by a typical star), the center of mass and the center of gravity of a radially symmetric object (such as planets and stars) are both at the center of the sphere. In locations where earth's gravity dominates, the center of gravity of a vertical, long, uniform beam is closer to the earth than the center of the beam (although it is still inside the beam). www.calsky.com /lexikon/en/txt/c/ce/center_of_gravity.php   (727 words)

 Golf club head improved in its center of gravity - Patent 5728010 A golf club head improved in its center of gravity has its center of gravity of the face arranged to be located at a point of more than a half height of the face. The center of gravity 30 of a face 20 of the club head 10 is made to be located below 1/2 of the height of the face 20, or 3/5 of the height of the face 20 by some makers. As the lower the center of gravity of a club head is, the larger the dimensions of the bottom of a club head is. Then the resistance that the bottom of a club head receives against the bunker 50 will be larger, offsetting a part of the force of hitting a bail. www.freepatentsonline.com /5728010.html   (899 words)

 Center of Gravity The center of gravity of a collection of masses is the point where all the weight of the object can be considered to be concentrated. Similary, the y-coordinate of the centre of gravity is: The center of gravity of an extended body or system of masses is also distinguished by the fact that it will remain at rest or moving at constant velocity unless the body is acted on by a net external force. theory.uwinnipeg.ca /physics/rot/node4.html   (287 words)

 Dictionary : Trim_and_balance The center of gravity is the point at which an airplane would balance if it were suspended at that point. The prime concern of airplane balancing is the fore and aft (front and rear) location of the center of gravity along the longitudinal axis. The center of gravity depends on the distribution of weight in the airplane and changes as load items (such as fuel) are shifted or expended. www.centennialofflight.gov /essay/Dictionary/trim/DI95.htm   (317 words)

 Where Is Your Center Of Gravity? In a regular geometric solid with the uniform density, the center of gravity is the object's geometric center. The center of gravity of the board is its geometrical center because it is a uniform rectangular solid. The position of the center of gravity of the person is what we are trying to determine and will be defined by X, the distance from A, the axis we have chosen. wings.avkids.com /Curriculums/Forces_Motion/center_summary.html   (551 words)

 Method and apparatus for determining the center of gravity of a golf ball - Patent 4111038 After considerable testing and evaluation of the golf balls, it was determined that the center of gravity of the golf balls was not the geometric center of the golf balls. The torque is caused by the variation between the axis through the geometric center of the golf ball 10 perpendicular to the striking surface of putter 14, and the distance from the center of gravity of the golf ball 10 to the aforementioned axis through the geometric center. Since the center of gravity of the golf ball 10 is not the geometric center of the golf ball 10, the light side of the golf ball 10 will rotate to the surface. www.freepatentsonline.com /4111038.html   (3043 words)

 Center of Gravity The center of gravity is the average location of the weight of an object. But the trim of a kite still depends on the location of the center of gravity relative to the bridle point, because for every object the weight always acts through the center of gravity. In general, determining the center of gravity (cg) is a complicated procedure because the mass (and weight) may not be uniformly distributed throughout the object. www.grc.nasa.gov /WWW/K-12/airplane/cg.html   (794 words)

 NWCR article, Winter 2003: Echevarria   (Site not responding. Last check: ) The center of gravity of a yardstick is at its middle; the CoG of a sphere lies at its geometric center. Presumably, there are tactical centers of gravity, the defeat of which facilitates the accomplishment of tactical objectives, which in turn contribute to the defeat of operational CoGs, the destruction of which assists in the accomplishment of operational objectives, and so on, until national security objectives are achieved. Other methods of identifying centers of gravity are too numerous to list here in their entirety, but they include the “strategic helix” method, which involves attacking all potential centers of gravity until the real one is hit and reveals itself by the effects that ensue. www.nwc.navy.mil /press/Review/2003/Winter/art4-w03.htm   (7080 words)

 Exhibit Cross Reference - Center of Gravity Here's an easy way to find the center of gravity of a long, thin object, even if the object’s weight is unevenly distributed. The stick’s center of gravity is the place where it can be balanced on just one finger. When the stick is supported with two fingers, in general, one finger (the one that is closer to the center of gravity) will be holding a little more of the weight than the other. www.exploratorium.edu /xref/exhibits/center_of_gravity.html   (197 words)

 Estimate Center of Gravity :: Blocks (Aerospace Blockset) The Estimate Center of Gravity block calculates the center of gravity location and the rate of change of the center of gravity. Linear interpolation is used to estimate the location of center of gravity as a function of mass. The rate of change of center of gravity is a linear function of rate of change of mass. www.mathworks.com /access/helpdesk/help/toolbox/aeroblks/estimatecenterofgravity.html   (139 words)

 Center of gravity: what Clausewitz really meant Joint Force Quarterly - Find Articles On the strategic level, centers of gravity might include a military force, an alliance, a set of critical capabilities or functions, or national strategy itself." According to this definition a military force cannot be a center of gravity, yet it is cited as an example. To understand centers of gravity, one must be grounded in the original context of On War. The discussion of centers of gravity in book eight is much less precise and is the source of misunderstanding for two reasons. www.findarticles.com /p/articles/mi_m0KNN/is_35/ai_n8563306   (716 words)

 Teachers' Domain: Center of Gravity: Pencil Balance Often the center of gravity is located near the center point of an object. To counteract gravity and keep an object from falling, you have to push up on it with the same force that gravity is pulling down on it. With its center of gravity near its mid-point, a pencil supported at its tip balanced only when it is perfectly vertical. www.teachersdomain.org /resources/phy03/sci/phys/mfw/zpencilbalance/index.html   (614 words)

 Center of Gravity Center of Gravity Minnie E. Bounds Dyett Middle School 400 Park Avenue 551 E. 51st Street Calumet City, IL 60409 Chicago, IL 60615 708-891-4552 312-535-1825 Objective: Predict and find the center of gravity of an object. D) Predict where the center of gravity is. E) Attach a lead sinker to a 30-cm long piece of string. Summary: Because its center of gravity is very near the position of the quarter. www.iit.edu /%7Esmile/ph9102.html   (426 words)

 Center of Gravity, Mu-Ency at MROB   (Site not responding. Last check: ) The "center of gravity" of the Mandelbrot Set is the unique point P for which the double integral The problem of locating this point is similar to that of calculating the area of the Mandelbrot Set, and most of the material in the area entry is relevant. While this is still uncertain for the area, the case for the center of gravity is looking good. www.mrob.com /pub/muency/centerofgravity.html   (264 words)

 Ogle Earth: Center of Gravity II And if you calculate the center of gravity for just two placemarks, the straight line you can draw through all three points will be the shortest distance as the jumbo jet flies between your two placemarks. Mathematically speaking, the code first finds the center of gravity for given points of equal mass on the surface of a sphere in three dimensional space. (The center of gravity will thus be inside the sphere.) It then finds the point on the sphere closest to the center of gravity by projecting a straight line from the center of the sphere through the center of gravity to the surface of the sphere. www.ogleearth.com /2006/02/center_of_gravi_1.html   (1588 words)

 Center of Gravity Height The center of gravity height is calculated by weighing the car when level and then raising the car at least 10 inches at the rear and weighing the front again. The center of gravity height is found using the rules of trigonometry and right triangles. The Center of Gravity Height calculation is based on the change in the front wheel weights in relation to the angle at which the car is raised. www.racerpartswholesale.com /longtech6.htm   (702 words)

 Finding the Center of Gravity Activity Students explore the center of gravity of common objects such as a meterstick and a pencil. Explain that the point at which the pencil is balanced is the center of gravity. The center of gravity is the point around which the weight of the object is evenly distributed and it can be balanced. teams.lacoe.edu /documentation/classrooms/judi/forces/activities/gravity.html   (712 words)

 CENTER OF GRAVITY - Science Experiment, Science Project, Lesson Plan, Activity, Worksheet, or Teaching Idea Describe where the center of gravity is located. Describe where the center of gravity is located and draw a diagram showing where you think it is located. Describe the center of gravity for the piece of cardboard. www.lessonplanspage.com /ScienceExWhereIsCenterOfGravityLocatedMO68.htm   (410 words)

 Center Of Gravity If the CG was 55% of the distance along the wheelbase from the center of the front-wheel contact patch to the center of the contact patch of the rear wheel, then 55% of the total weight of the bike would be on the rear tire and only 45% on the front one. This is the distance between the center of the front-wheel contact patch and the center of the rear-wheel contact patch. If the Center Of Gravity happened to be located at exactly the height of the wheelbase (actually, if it was at the height of the front wheel hub) then its relative location along the wheelbase would remain constant. www.msgroup.org /TIP106.html   (1834 words)


The center of gravity of an object, as you of a more scientific bent will know, is the average location of its weight. Through informal observation we become quite adept at observing an object's center of gravity by guessing with some level of accuracy when something will tip over as you push it, which is how we instinctively know about center of gravity even if we don't use that term or couldn't define it. Then the psalmist finds her true center of gravity with a steadying expression of faith: I believe that I shall see the goodness of the Lord in the land of the living. www.zipcon.net /~ehcc/centerofgravity.htm   (2016 words)

 Center of Gravity: Tilted - Science For Fun - Science Fair Central - DiscoverySchool.com The lower the center of gravity, the greater the stability of the bottle, so it was able to be tilted farther without falling over. The center of gravity of an object, including a person, is the point where the weight of the object appears to be concentrated. An object is stable when its center of gravity, the place where its weight seems to be concentrated, is located over its base. school.discovery.com /sciencefaircentral/jvc/surpscifacts/center_of_gravity.html   (358 words)

 Rocket Center of Gravity The center of gravity is the average location of the weight of the rocket. But for rocket trajectory and maneuvering, we need to be concerned with only the total weight and the location of the center of gravity. Since the center of gravity is an average location of the weight, we can say that the weight of the rocket W times the location cg of the center of gravity is equal to the sum of the weight w of each component times the distance d of that component from the reference location: exploration.grc.nasa.gov /education/rocket/rktcg.html   (668 words)

 How to Calculate Center of Gravity - WikiHow The center of gravity (CG) is the center of an object's weight distribution, where the force of gravity can be considered to act. This is the distance from the datum to the center of gravity. The definition for center of gravity of a general mass distribution is (∫ r dW/∫ dW) where dW is the differential of weight, r the position vector and the integrals are to be interpreted as Stieltjes integrals over the entire body. www.wikihow.com /Calculate-Center-of-Gravity   (598 words)

 Religion, Media and the Cultural Center of Gravity And, they are gradually moving the center of religious culture into the center of media culture. The research centers on the marketplace of symbols, thinking of it as an inventory out of which people select and adopt symbols, values, and ideals that inform their identities, both religious and social. In fact, when they do seem to center their meaning-making around the symbolic resources of the public sphere, they use those resources according to one or more of three systems of logic we are calling "media discourses." www.colorado.edu /Journalism/MEDIALYF/analysis/umcom.html   (4420 words)

 Active.com - Cyclists: Working with your center of gravity   (Site not responding. Last check: ) When descending and cornering, it is very important to be aware of the position of your center of gravity. While cornering, especially if you use the counter-steering technique, your center of gravity should be positioned outside of the turn, toward the contact of the tires to the ground. Experiment with where you place your center of gravity in different situations and you will quickly learn the placement that is best for speed and stability. www.active.com /story.cfm?story_id=10664&sidebar=21&category=cycling   (232 words)

 Untitled Document A stable load is one in which the center of gravity of the load is directly below the main hook and below the lowest point of attachment of the slings.The center of gravity of an object is that point at which the object will balance. Predicting the center of mass for an object to be lifted is not a trivial matter. The overall stability of the load is a combination of balance with respect to center of mass, weight distribution, and rigging tightness. www.camd.lsu.edu /msds/TrainingTest/crane/slide6.htm   (258 words)

 Center of Gravity In general, women's body structure is such that they have a lower center of gravity, because of their wider hips and heavier bond structure in the lower abdominal part of the skeleton, as compared to men's structure. This lower center of gravity is the main cause for women to be able to bend forward in the kneeling position without falling over forward. Then this center of gravity passes beyond the knees, their bodies will topple forward. www.coe.missouri.edu /~pgermann/DiscEvent/Human_Bio./Center_of_Gravity/Center_of_Gravity/center_of_gravity.html   (301 words)

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