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Net Torque calculation

  1. Oct 27, 2006 #1
    Calculate the net torque about point O for the two forces applied as in the figure View Figure . The rod and both forces are in the plane of the page. Take positive torques to be counterclockwise.

    A image is here to show the problem

    What i did
    12Nsin(30)*(2m)-(8N*3m)
    or if you like this better
    F2sin(theta)*d-(F1*d)
    however this isnt working should i not be neglecting the y component of F2 or do i have the angle wrong....i am confused any help is appreciated.

    it appears my image is taking forever to get approval so i will try and explain the problem.
    there is a rod where the axis of rotation is on the left end of it
    2 meters from this axis is a force going up and to the left, at a 30 degree angle. with a magnitude of 12N (F2)
    Another force is a total of 5 meters from the point of rotation and is vertical with a magnitude of 8N (F1)
    nevermind i turned out to be right...i just made a dumb error.
     

    Attached Files:

    Last edited: Oct 28, 2006
  2. jcsd
  3. Feb 1, 2009 #2
    i'm confused as to how to come up with an answer, trajan22. did you happen to get -12 ..clockwise for the answer??
     
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