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Tention and Moments

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  1. Apr 18, 2015 #1
    1. The problem statement, all variables and given/known data
    The problem is question 4) iii) B) found in the attachment below.

    2. Relevant equations
    • sum of c.w moments=sum of anti c.w moments.

    • moment of a force about a point= force x perpendicular distance between the line of action of the force and the point.

    3. The attempt at a solution
    A full attemp is included as second attachment below. (Note the correct answer is 172.69N not 302.22N I calculated.

    Why???? How???

    Thanks
     

    Attached Files:

  2. jcsd
  3. Apr 18, 2015 #2

    BvU

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    Science Advisor
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    Hello RU,
    by now you should be familiar with the workings of PF and know the guidelines.
    Please state the problem by rephrasing it clearly and concisely. List the known/unknown variables.
    Helps me and helps you too.
    Equations are like ##\Sigma\vec\tau = 0##.
     
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