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inertia force

British  

noun

  1. an imaginary force supposed to act upon an accelerated body, equal in magnitude and opposite in direction to the resultant of the real forces

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The concepts of moving or stationary objects – inertia, force and equal but opposite reactions – were not lost on the students, part of the Yakima School District's Highly Capable program.

From US News • Aug. 3, 2015

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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