moment of inertia
"Moment of inertia" is crucial in understanding how objects resist rotational changes and is widely used in physics and engineering.
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Definition
C1Physics
(technical, academic)A measure of an object's resistance to changes in its rotational motion, depending on mass distribution and distance from the axis of rotation.
Example
- The moment of inertia of a spinning wheel affects how easily it can be brought to a stop.
- Engineers calculate the moment of inertia to design stable rotating machinery.
C1Engineering
(technical, academic)A measure of a structure's resistance to bending, related to the distribution of its area.
Example
- The moment of inertia is a critical factor in the design of beams and bridges.
- Structural engineers use the moment of inertia to ensure buildings can withstand stress.
Similar
Terms that have similar or relatively close meanings to "moment of inertia":