centre of inertia

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English[edit]

Alternative forms[edit]

Noun[edit]

centre of inertia (plural centres of inertia) (British, Canadian)

  1. (rare, dated) The centre of mass.
  2. (rare, rotational dynamics) A point, near or within a body, at which the body's mass can be assumed to be concentrated when considering its rotational motion and moment of inertia. This may be different from its centre of mass which is the equivalent for linear motion.

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