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Homework Help: Dynamics Question

  1. Sep 13, 2012 #1

    Why is ft (the force due to the friction between the cylinder and the ramp) not included in the equation of motion?
  2. jcsd
  3. Sep 14, 2012 #2


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    Staff: Mentor

    Because the cylinder "rolls without slipping".
  4. Sep 14, 2012 #3

    For this situation, is my Fx equation of motion not true then?
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