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Homework Help: Applied force

  1. Nov 28, 2011 #1
    1. The problem statement, all variables and given/known data

    m= 1.45X10^6 kg
    w=1.00X10^2 MJ
    a=0 m/s^2
    to over come the force resistance that was 2.00 percent of the building's weight

    2. Relevant equations

    Fa=Ff (force applied=force friction)

    3. The attempt at a solution

    Fa= Fn-Ff

    Im confused on how to find the force friction, the Fn is 0 due to the fact that the acceleration is 0, but i have no clue how to find the Ff.
  2. jcsd
  3. Nov 29, 2011 #2
    I think you should post the whole problem on #1. I'm not really sure what's happening here.
  4. Nov 29, 2011 #3
    I am hesitant to say that I cannot help you. You must post the "proper context" of the problem. Just giving off values will not assist you. I am also not sure what are you trying to find out. The force of friction ? If that is so then why don't you consider the acceleration due to gravity if force resistance is 2.00 percent of the building's weight.
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