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Force of Friction

  1. Dec 18, 2006 #1
    1. The problem statement, all variables and given/known data

    A sled pulled out a constant velocity across a horizontal. If a is a horizontal force of 8.0 x 10^1 N is applied at an angle of 53 degrees in the ground. What is the force of friction between the sled and the snow?

    2. Relevant equations

    I convert the N into grams?
    and I have to put it into uh well you know one of those sine..

    3. The attempt at a solution

    well first I'm so confussed with the problem... eek, can someone please guide me through it?
  2. jcsd
  3. Dec 18, 2006 #2
    Why were you thinking in converting "N into grams"?
    Do you have any ideia how would you calculate the friction force?

    The key word in the problem is |constant velocity|.
    Draw a free body diagram, it will help, I promiss.
  4. Dec 18, 2006 #3
    One more small tiblite of information, all forces are measured in N.
  5. Dec 18, 2006 #4
    oooh, yeah I got it now. thanks.
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