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Definitions of inertia
  1. noun
    a disposition to remain inactive or inert
    "he had to overcome his inertia and get back to work"
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  2. noun
    (physics) the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force
Definition that contains inertia
  • inertial of or relating to inertia
  • special theory of relativity a physical theory of relativity based on the assumption that the speed of light in a vacuum is a constant and the assumption that the laws of physics are invariant in all inertial systems
  • inertial guidance a method of controlling the flight of a missile by devices that respond to inertial forces
  • rest energy the energy equivalent to the mass of a particle at rest in an inertial frame of reference; equal to the rest mass times the square of the speed of light
  • inertial guidance system a system to control a plane or spacecraft; uses inertial forces
  • special relativity a physical theory of relativity based on the assumption that the speed of light in a vacuum is a constant and the assumption that the laws of physics are invariant in all inertial systems
  • einstein's special theory of relativity a physical theory of relativity based on the assumption that the speed of light in a vacuum is a constant and the assumption that the laws of physics are invariant in all inertial systems
  • inertial navigation a method of controlling the flight of a missile by devices that respond to inertial forces
  • special relativity theory a physical theory of relativity based on the assumption that the speed of light in a vacuum is a constant and the assumption that the laws of physics are invariant in all inertial systems
  • inertial navigation system a system to control a plane or spacecraft; uses inertial forces
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