Center-of-gravity
Mechanics. 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.
center of gravity
(sěn’tər)
The center of mass of an object in the presence of a uniform gravitational field.
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.
Read Also:
- Center of ossification
center of ossification n. The site where bone begins to form in a specific bone or part of bone as a result of the accumulation of osteoblasts in the connective tissue. The site where bone begins to form in the shaft of a long bone or the body of an irregular bone; primary ossification center. […]
- Center-of-percussion
the point on a rigid body, suspended so as to be able to move freely about a fixed axis, at which the body may be struck without changing the position of the axis.
- Center-of-symmetry
a point within a crystal through which any straight line extends to points on opposite surfaces of the crystal at equal distances.
- Centerpiece
an ornamental object used in a central position, especially on the center of a dining-room table. the central or outstanding point or feature: The centerpiece of the evening was a play put on by the employees. Contemporary Examples Historical Examples n. also center-piece, 1800, from center + piece (n.). Figurative sense is recorded from 1937.
- Center-pin
a cylindrical device passing through the center plates of both the body bolster and the truck bolster, permitting the truck to swivel beneath the car body while the stress is taken by the center plate. Historical Examples