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Moment of beam with three masses

  1. Jan 4, 2012 #1
    1. The problem statement, all variables and given/known data
    http://img408.imageshack.us/img408/3397/21695637.png [Broken]

    q=0.4905 [Nm]
    q2=20 [Nm]
    2. Relevant equations
    How to find the moments?


    3. The attempt at a solution

    I looked of a few books in last several hours, but without any success. In every similar problem the moments are given. Only thing I know for sure is that I dont have the all variables to calculate it ...


    Thanks for understanding
     
    Last edited by a moderator: May 5, 2017
  2. jcsd
  3. Jan 4, 2012 #2
    Let's see an attempt which is a must before we can help. Also, how is the beam supported?
     
  4. Jan 4, 2012 #3
    Its supported by thrust by motors at the both sides at the bar...

    I am thinking about a solution but something is missing ... its doesn't feel right...



    The motors are creating thrust 580g, so i have to find the mass center so i can see how the motors effect the bar?

    Am i right ?
     
    Last edited: Jan 4, 2012
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