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How to get the force?

  1. Aug 27, 2012 #1
    1. The problem statement, all variables and given/known data
    you push a 25 kg box across a wooden floor at constant speed. how much force do you exert on the floor? (mu(k) = 0.20


    2. Relevant equations

    Ff=<uFn

    3. The attempt at a solution
    this is wat i get so far
    mass = 25kg
    uk= .20

    .20<.20x25
    .20<5

    is this correct? im confuse coz of how much force you exert on the floor not on the box?
    i need help guys
     
    Last edited: Aug 27, 2012
  2. jcsd
  3. Aug 27, 2012 #2
    solve your other question
    you'll get this one too
     
  4. Aug 27, 2012 #3
    what do you mean?
     
  5. Aug 27, 2012 #4

    Doc Al

    User Avatar

    Staff: Mentor

    What forces does the box exert on the floor?
     
  6. Aug 27, 2012 #5
    your thread "How to calculate force applied?" contains the answer
     
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