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Maximum shear acting on a point

  1. Feb 1, 2017 #1
    1. The problem statement, all variables and given/known data
    Why we need to consider only 3 cases when we want to find the max positive shear ?

    2. Relevant equations


    3. The attempt at a solution
    IMO , We know that the max shear will only occur when the 67.5kN act on B , am i right ? There is no need to consider 3 different cases .....Or my concept is incorrect ? If so , can anyone show me the example where the max shear will occur at B although the max concentrated load doesn't act on the particular point ?
     

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  2. jcsd
  3. Jun 1, 2017 #2
    Update : Why the max shear will only occur at B when the certain load act on it ? Can someone explain about it ?
     
  4. Jun 2, 2017 #3
    @Chestermiller , can you help ? I think you are the only one in this forum who knows soil mechanics
     
  5. Jun 2, 2017 #4
    This is not a soil mechanics problem. It is a beam problem.
     
  6. Jun 2, 2017 #5
    sorry , wrong thread
     
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