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    On a smooth pulley is the tension the same.
    When is the tension not the same??
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    (Original post by geography1294)
    On a smooth pulley is the tension the same.
    When is the tension not the same??
    If the pulley is smooth and massless then you can assume that the tension will be the same on either side.

    If either of these conditions is not met (almost certainly won't happen in an M1 question) then the tension could be different on either side, depending on other factors.

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