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How to find frequencies giving the coeffiecent friction and amplitude?

  1. Nov 22, 2008 #1
    A book is placed on a horizontal wooden plane that is undergoing simple harmonic
    motion with an amplitude of 1.0 m. The coefficiet of friction btween the book and
    the horizontal wooden plane is given by μ = 0.5. Determine the frequebcy of the
    horizontal wooden platform when the book is about to slip from the horizontal
    wooden plane.
     
  2. jcsd
  3. Nov 22, 2008 #2

    Hootenanny

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    Welcome to Physics Forums.

    You are expected to show some effort when asking for help. So, what are your thoughts?
     
  4. Nov 22, 2008 #3
    i have no idea what equation that i must to use.
    1st freq = omega/2pi
    vmax=omega*Amplitude

    what about A*cos(ω t)
     
  5. Nov 22, 2008 #4

    Hootenanny

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    What can you say about the force acting on the book when it is about to slip?
     
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