MOMENTOFINERTIA

Moment of inertia

Moment of inertia is the mass property of a rigid body that defines the torque needed for a desired change in angular velocity about an axis of rotation. Moment of inertia depends on the shape of the body and may be different around different axes of rotation. A larger moment of inertia around a given axis requires more torque to increase the rotation, or to stop the rotation, of a body about that axis. Moment of inertia depends on the amount and distribution of its mass, and can be found through the sum of moments of inertia of the masses making up the whole object, under the same conditions. For example, if <math>m_a+m_b=m_c</math>, then ...

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moment of inertia

Noun

  1. A measure of a body's resistance to a change in its angular rotation velocity
  2. A measure of a body's resistance to bending; second moment of inertia; second moment of area.


The above text is a snippet from Wiktionary: moment of inertia
and as such is available under the Creative Commons Attribution/Share-Alike License.

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