moment of inertia
noun phrase
: a measure of the resistance of a body to angular acceleration about a given axis that is equal to the sum of the products of each element of mass in the body and the square of the element's distance from the axis
Examples of moment of inertia in a Sentence
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Scientists measured Vesta's moment of inertia by performing gravity experiments.
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Keith Cooper, Space.com, 6 May 2025
In doing so the robot changes its moment of inertia and hence its spin rate, much like an ice skater pulling her arms in to accelerate her rotation.
—IEEE Spectrum, 22 May 2018
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Keith Cooper, Space.com, 6 May 2025
In doing so the robot changes its moment of inertia and hence its spin rate, much like an ice skater pulling her arms in to accelerate her rotation.
—IEEE Spectrum, 22 May 2018
Cite this Entry
“Moment of inertia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moment%20of%20inertia. Accessed 12 Jul. 2025.
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