Definition, Meaning & Synonyms

inertial-system

noun
/ɪˈnɜrʃəl ˈsɪstəm/
Definition
An inertial system is a frame of reference in which an object remains at rest or in uniform motion unless acted upon by an external force.
Examples
  • The Earth can be considered an inertial system for most practical purposes.
  • Inertial systems are essential for understanding the principles of classical mechanics.
Meaning
Inertial systems are used in physics to describe motion, particularly in the context of Newton’s first law of motion.
Synonyms
  • Newtonian system
  • reference frame