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Statics assignment a bit

  1. Dec 16, 2009 #1
    Statics assignment a bit urgent

    So here is my assignment. i wish that someone could help me.

    now i know that this system is statically determinate and that i can compute the forces. my problem is that i cannot figure out how i can compute the moment. the Aim of the assignment is to find all the reactional forces in the members.

    i was also thinking that the left hand side member could be a zero force member. i dont know whether i am right or wrong
     

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  3. Dec 16, 2009 #2

    PhanthomJay

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    Re: Statics assignment a bit urgent

    Your image is only partial. Where is the load or couple applied? I see something about 10kN-m, that's about it.....please indicate the whole problem statement. Is that a triangular solid yoke plate with a hole in the center?
     
  4. Dec 16, 2009 #3
    Re: Statics assignment a bit urgent

    yes there is only a moment applied on the bottom right hand corner. and the triangle i think is assumed to weightless and solid. i dont think the hole in the centre would affect the force resultants.
     
  5. Dec 16, 2009 #4

    PhanthomJay

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    Re: Statics assignment a bit urgent

    Oh, I didn't see that couple down there, my eyes are not that good ; it appears the plate is sliding at its left along a frictionless rod I guess, but I do have another question with strained eyes, I see a number 6 near the top of the triangle, at the cord...no units can I see...6 what??
     
  6. Dec 17, 2009 #5

    nvn

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    Very good, darrulls! Now draw your free-body diagram, and show the reaction forces acting on it. You must list relevant equations, and show your work; then someone might check your math. The 6 means 6". You know the 6 indicates a 6" rod, not a cord, because, if it were a cord, the problem would be dynamics, not statics.
     
  7. Dec 19, 2009 #6
    Re: Statics assignment a bit urgent

    Hi do you really think that the left hand side member is a zero force member. if that is so why?
     
  8. Dec 19, 2009 #7

    nvn

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    Yes, I currently do. I think you know why. I saw your insightful answer in another thread.
     
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