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Pendulum problem homework

  1. Mar 12, 2009 #1
    1. The problem statement, all variables and given/known data
    A pendulum has a mass of 7.5 kg with a center of mass at G (radius=250mm) and hass a radius of gyration about the pivot O of 295 mm. If the pendulum is released from rest at theta=0º, determine the total force supported by the bearing at the instant when theta=60º. Friction in the bearing is considered negligible

    2. Relevant equations

    k=radius of gyration
    At=tangential acceleration
    An=normal acceleration

    3. The attempt at a solution
    I´m stuck. I know there has to be some relation between the moment of inertia and the acceleration but I don´t know how to solve this.
  2. jcsd
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