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: ..Force of friction

  1. #1

    Jul 2011
    -
    932

    ..Force of friction






    • Force in physics
      :
      1- .
      2- .
      .
      Inertial mass
      .

      Newton's First Law :
      ( ) .
      S F = 0
      = 0
      Newton's Second Law :
      F SF m a m .
      S F = m a
      = *
      : (1) Kg (1) m/sec^2 .
      Weight : .
      W = m g

      Newton's Third Law :
      .
      Force Of Friction :
      .
      Static Friction :
      fs N :
      fs = s N
      s () ( Coefficient Of Static )
      Kinetic Friction :
      fk N :
      fk = k N
      k ( Coefficient Of kinetic)
      1. (Force ( F . :
      2. ( m ) mass . :
      3. (a) . : / ^2.
      4. (w) . :
      5. (T) . :
      6. (g) ( 9.8 ) /^2.
      7. (N) :
      8. (fs). :
      9. (s) . .
      10. (fk) :
      11. (k ) . .



  2. #2

    Jul 2011
    -
    716

    : ..Force of friction


  3. #3

    Jul 2012
    5,298

    : ..Force of friction



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