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Homework Help: Mechanics, Year One, Forces and perpendicular vectors

  1. Sep 28, 2012 #1
    1. The problem statement, all variables and given/known data
    this website has the question listed as #2-116. the solution shown is extremely complicated and i ask thet someone please help.

    http://www.scribd.com/doc/48470460/113/Problem-2-116 [Broken]
    2. Relevant equations

    3. The attempt at a solution
    Last edited by a moderator: May 6, 2017
  2. jcsd
  3. Sep 28, 2012 #2


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    Science Advisor

    I am confused as to what you want. The pages you post have a detailed solution.
  4. Sep 28, 2012 #3
    i dont understand what the "r" represents.
  5. Sep 28, 2012 #4
    There are two "r", bold "r" and normal "r".
  6. Sep 28, 2012 #5
    could you explain what bold r means, and what r means
  7. Sep 29, 2012 #6
    I think you should start from Chapter #1.
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