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Is my ans (option c) right?

  1. Aug 13, 2016 #1
    • Member advised to use the homework template for posts in the homework sections of PF, and to choose descriptive thread titles.
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  2. jcsd
  3. Aug 13, 2016 #2
  4. Aug 13, 2016 #3
    is not it the case similar to simple pendulum and time period for simple pendulum is T=2.pi sqrt(L/g) ?
     
  5. Aug 13, 2016 #4
    Bar pendulum is not similar to a simple pendlum as the masses are spread in a particular manner and it leads to moment of Inertia as it oscillates where as in simple pendulum mass is concentrated at a point at length L.
    if you have analysed a compound pendulum or a rigid body hung from a point and oscillating then the picture of restoring torque and angular acceleration will be clear.....see the reference of mit given above for detail. or consult a text book dealing with oscillation of a rigid body from a fixed axis.
     
  6. Aug 13, 2016 #5
    its clear now Thanks a globe :smile:
     
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