Definition of Moment of rotation. Meaning of Moment of rotation. Synonyms of Moment of rotation

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Definition of Moment of rotation

moment of rotation
Moment Mo"ment, n. [F. moment, L. momentum, for movimentum movement, motion, moment, fr. movere to move. See Move, and cf. Momentum, Movement.] 1. A minute portion of time; a point of time; an instant; as, at thet very moment. In a moment, in the twinkling of an eye. --1 Cor. xv. 52. 2. Impulsive power; force; momentum. The moments or quantities of motion in bodies. --Berkley. Touch, with lightest moment of impulse, His free will. --Milton. 3. Importance, as in influence or effect; consequence; weight or value; consideration. Matters of great moment. --Shak. It is an abstruse speculation, but also of far less moment and consequence of us than the others. --Bentley. 4. An essential element; a deciding point, fact, or consideration; an essential or influential circumstance. 5. (Math.) An infinitesimal change in a varying quantity; an increment or decrement. [Obs.] 6. (Mech.) Tendency, or measure of tendency, to produce motion, esp. motion about a fixed point or axis. Moment of a couple (Mech.), the product of either of its forces into the perpendicular distance between them. Moment of a force. (Mech.) (a) With respect to a point, the product of the intensity of the force into the perpendicular distance from the point to the line of direction of the force. (b) With respect to a line, the product of that component of the force which is perpendicular to the plane passing through the line and the point of application of the force, into the shortest distance between the line and this point. (c) With respect to a plane that is parallel to the force, the product of the force into the perpendicular distance of its point of application from the plane. Moment of inertia, of a rotating body, the sum of the mass of each particle of matter of the body into the square of its distance from the axis of rotation; -- called also moment of rotation and moment of the mass. Statical moment, the product of a force into its leverage; the same as moment of a force with respect to a point, line, etc. Virtual moment. See under Virtual. Syn: Instant; twinkling; consequence; weight; force; value; consideration; signification; avail.
Moment of rotation
Rotation Ro*ta"tion, n. [L. rotatio: cf. F. rotation.] 1. The act of turning, as a wheel or a solid body on its axis, as distinguished from the progressive motion of a revolving round another body or a distant point; thus, the daily turning of the earth on its axis is a rotation; its annual motion round the sun is a revolution. 2. Any return or succesion in a series. Moment of rotation. See Moment of inertia, under Moment. Rotation in office, the practice of changing public officers at frequent intervals by discharges and substitutions. Rotation of crops, the practices of cultivating an orderly succession of different crops on the same land.

Meaning of Moment of rotation from wikipedia

- The moment of inertia, otherwise known as the m**** moment of inertia, angular/rotational m****, second moment of m****, or most accurately, rotational inertia...
- Moment of inertia, denoted by I, measures the extent to which an object resists rotational acceleration about a particular axis, it is the rotational...
- rotational analogue of linear force. It is also referred to as the moment of force (also abbreviated to moment). It describes the rate of change of angular...
- Rotation around a fixed axis or axial rotation is a special case of rotational motion around an axis of rotation fixed, stationary, or static in three-dimensional...
- physics, angular momentum (sometimes called moment of momentum or rotational momentum) is the rotational analog of linear momentum. It is an important physical...
- yaw rotation is a movement around the yaw axis of a rigid body that changes the direction it is pointing, to the left or right of its direction of motion...
- Rotation or rotational motion is the circular movement of an object around a central line, known as axis of rotation. A plane figure can rotate in either...
- energy. Looking at rotational energy separately around an object's axis of rotation, the following dependence on the object's moment of inertia is observed:...
- second moment of area, or second area moment, or quadratic moment of area and also known as the area moment of inertia, is a geometrical property of an area...
- Earth's rotation or Earth's spin is the rotation of planet Earth around its own axis, as well as changes in the orientation of the rotation axis in space...