inertial mass
the mass of a body as determined by the second law of motion from the acceleration of the body when it is subjected to a force that is not due to gravity.
the measure of the property of inertia.: Compare Eötvös experiment, inertia (def. 2a), gravitational mass.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use inertial mass in a sentence
inertial mass is the amount of matter in an object, the measure of the resistance an object has when a force pushes it.
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British Dictionary definitions for inertial mass
the mass of a body as determined by its momentum, as opposed to gravitational mass. The acceleration of a falling body is inversely proportional to its inertial mass but directly proportional to its gravitational mass: as all falling bodies have the same constant acceleration the two types of mass must be equal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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