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Calculating Coulomb friction load torque

  1. Jul 26, 2011 #1

    How can I calculate the Coulomb friction load torque of a rolling spear on a surface with a coulomb friction coefficient of 0.1?

    Other details:
    Mass: 1Kg
    Radius: 0.1m

    Thanks in advance
  2. jcsd
  3. Jul 28, 2011 #2
    Your question was not too clear to me and possibly others, care to restate it?
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