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March 30, 2017

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A 2.1 kg ball tied to a string fixed to the ceiling is pulled to one side by a force to an angle of è = 26.6
how large is F?
tension of string?
before it was released

  • physics - ,

    Tsinα=F
    Tcosα=mg

    F=mg•tanα
    T=mg/cosα

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