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    Physics GCSE

    equilibrium and closed triangles

    What equilibrium and closed triangles means in Physics GCSE, as defined for AQA.

    Definition of equilibrium and closed triangles

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    Reference: AQA

    Three forces acting on an object with a zero resultant form a closed triangle when drawn tip to tail, so if the drawing does not close the forces are not balanced.
    AQA · Resultant forces (study guide)

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