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Homework Help: Dynamics Questions

  1. Nov 6, 2005 #1
    Dynamics Questions Please Help!

    The space arm works in weightless conditions. Why must it still be made strong?
    I really need help with this question. If anyone knows the answer please tell me or at least lead me close the the answer or have any idea of what i maybe! thanks.
    Last edited: Nov 6, 2005
  2. jcsd
  3. Nov 6, 2005 #2
    try this

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