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Coefficient of Friction Question

  1. Mar 5, 2012 #1
    So I have and inclined plane at 1 degrees, and on top of it, there is an object 361grams. I gradually increase the angle of the inclined plane, and just at 20 degrees, the object starts to slide down. How do I find out the coefficient of friction?

    I only know that just before it is about to slide down, mgsin20-Ffmax=0
    so do i use 19.99999 degrees to solve this equation?

    Any help would be appreciated.

    Thanks
     
  2. jcsd
  3. Mar 5, 2012 #2

    tiny-tim

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