Recent content by yusungmagic

  1. yusungmagic

    Circular motion question: Mass on a rod rotating in a vertical circle

    sorry for the confusion, you are supposed to draw a force exerted on the mass by the rod. not the "W"
  2. yusungmagic

    Circular motion question: Mass on a rod rotating in a vertical circle

    By looking at the following question, I have no idea why the direction of force exerted by rod on a ball is represented like that. can anyone help me to understand?
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