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center of gravity |
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center of gravity: see center of mass center of mass, the point at which all the mass of a body may be considered to be concentrated in analyzing its motion. The center of mass of a sphere of uniform density coincides with the center of the sphere. ..... Click the link for more information. . center of gravity [′sen·tər əv ′grav·əd·ē] (mechanics) A fixed point in a material body through which the resultant force of gravitational attraction acts. Center of gravity A fixed point in a material body through which the resultant force of gravitational attraction acts. The resultant of all forces or attractions produced by the Earth's gravity on a body constitutes its weight. This weight is considered to be concentrated at the center of gravity in mechanical studies of a rigid body. The location of the center of gravity for a body remains fixed in relation to the body regardless of the orientation of the body. If supported at its center of gravity, a body would remain balanced in its initial position. See Gravity, Resultant of forces How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Besides some of the more obvious problems, like switching from pointe shoes to bare feet, classical and modern techniques rely on different positions, muscle groups, and even centers of gravity. Graceful, swift and with low centers of gravity, the boats are based on designs from 1830s Adirondack guide boats and are rowed "cross-arm" with pegged eight-foot oars that offer efficiency and speed. When asked about SUVs' higher rollover rates, Vines admitted that the big vehicles' higher centers of gravity do make them more likely than smaller cars to flip over, but he stressed that such accidents comprise only a small percentage of overall automobile crashes. |
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