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Homework Help: Rotational Work

  1. Nov 1, 2008 #1
    The pulley in the illustration is a uniform disk of mass 2.40 kg and radius 0.220 m. The block applies a contant torque to the pulley, which is free to rotate without friction, resulting in an angular acceleration of magnitude 0.180 rad/s2 for the pulley. As the block falls 0.500 m, how much work does it do on the pulley?
  2. jcsd
  3. Nov 1, 2008 #2


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    Gold Member

    what illustration :S
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