centre of mass

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Diagram of an educational toy that balances on a point: the centre of mass (C) settles below its support (P). Any object whose centre of mass is below the fulcrum will not topple.

Alternative forms[edit]


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

  1. (mathematics, physics) A point, near, or within a body at which the object's mass can be assumed to be concentrated; it coincides with the centroid for a body of uniform density, and with the centre of gravity in a uniform gravitational field.


Related terms[edit]