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Forces question in textbook

  1. Mar 7, 2006 #1
    Ok a question from my text book, mainly selected because i've been having trouble with just this sort of question in general.

    The cable AB prevents bar OA from rotating clockwise about the pivot O. If the cable tension is 750N, determine the n- and t-components of this force acting on point A of the bar.

    note: in the circle sector on the right of the bar the ANGLE IS 60 DEGREES

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  2. jcsd
  3. Mar 7, 2006 #2
    How would you set this up?

  4. Mar 7, 2006 #3

    Doc Al

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    Staff: Mentor

    Find the angle that the cable makes with the bar (angle BAO). (Use a bit of trig; you have all the information needed.) Then you can find the normal and tangential components of the tension force.
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