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Static Friction on an incline

  1. Sep 23, 2011 #1
    no longer needed
     
    Last edited: Sep 23, 2011
  2. jcsd
  3. Sep 23, 2011 #2
    Would you be able to list the "following circumstances" so we can help you?
     
  4. Sep 23, 2011 #3
    Sorry about that, it wants to know what the friction is when the coin comes to rest. I know the direction of the friction is up the incline, but other than that I'm stuck.
     
  5. Sep 23, 2011 #4
    if they ask you to find the friction of the coin in motion or in motion coming to rest then use coefficient of kinetic friction to calculate friction right?

    do you know what the sum of all forces are in the x direction?
     
  6. Sep 23, 2011 #5
    It doesn't give any forces in the x direction, just what I typed. So if it was in motion but came to rest I still use the coefficient of kinetic friction? I was using the coefficient of static friction. What I did was find the normal force and multiply by u static friction.
     
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