1. Sep 21, 2005 #1

   brian0885

   

   I can not figure out the formula for the following question about friction. Need some help! Awooden block slides directly down an inclined plan at a constant velocity of 6m/s, how large is the coefficient of the kenetic friction, if the plane makesan angle of 25 degrees with the horizontal?

    

   brian0885, Sep 21, 2005
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3. Sep 21, 2005 #2

   James R

   

   Science Advisor

   Homework Helper

   Gold Member

   Have you drawn a force diagram for the block?
   
   What does constant velocity tell you about the forces?
   
   Where does the 25 degrees come into the calculation? How about the friction coefficient?
   
   Can you show us what you've done so far?

    

   James R, Sep 21, 2005

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