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inertial system

noun

, Physics.
  1. a frame of reference in which a body remains at rest or moves with constant linear velocity unless acted upon by forces: any frame of reference that moves with constant velocity relative to an inertial system is itself an inertial system.


inertial system

noun

  1. a frame of reference within which bodies are not accelerated unless acted upon by external forces Also calledinertial reference frame
“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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Word History and Origins

Origin of inertial system1

First recorded in 1950–55

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inertial platforminertial upper stage