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Homework Help: A one mark moments question (a see saw,pivot type sum, prolly easy) in A level MCQ

  1. Apr 5, 2012 #1
  2. jcsd
  3. Apr 5, 2012 #2

    ehild

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    Re: A one mark moments question (a see saw,pivot type sum, prolly easy) in A level MC

    Yo forgot the weight of the rod.


    ehild
     
  4. Apr 6, 2012 #3
    Re: A one mark moments question (a see saw,pivot type sum, prolly easy) in A level MC

    Static of Rigid Bodies.

    Total sum of Torque=0
    [itex]\sum \tau=0[/itex]

    find ccw(counterclockwise) and cw(clockwise) torgue about pivot(40cm).
     
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