| 单词 | center of gravity |
| 释义 | center of gravitySEE SYNONYMS FOR center of gravity ON THESAURUS.COM nounMechanics. the point through which the resultant of gravitational forces on a body passes and from which the resultant force of attraction of the body on other bodies emanates: coincident with the center of mass in a uniform gravitational field. a person, thing, or idea that is the vital or pivotal focus of interest or activity within a larger entity. Origin of center of gravityFirst recorded in 1650–60 Words nearby center of gravitycenter halfback, centering, center jump, centerline, center of curvature, center of gravity, center of mass, center of ossification, center of percussion, center of symmetry, centerpiece Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Cultural definitions for center of gravitycenter of gravity The point in any solid where a single applied force could support it; the point where the mass of the object is equally balanced. The center of gravity is also called the center of mass. When a man on a ladder leans sideways so far that his center of gravity is no longer over his feet, he begins to fall. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Scientific definitions for center of gravitycenter of gravity [ sĕn′tər ] The center of mass of an object in the presence of a uniform gravitational field. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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