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    Physics GCSE

    SI units and unit consistency

    What SI units and unit consistency means in Physics GCSE, as defined for AQA.

    Definition of SI units and unit consistency

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    Reference: AQA

    Pressure is in pascals (Pa), force in newtons (N) and area in square metres (m²); keep units consistent and convert cm² to m² before substituting.
    AQA · Pressure in a fluid 1 (study guide)

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