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Homework Help: Center of mass and distance

  1. Dec 10, 2003 #1
    A circular hole of diameter 11.1 cm is cut out of a uniform square of sheet metal having sides 22.2 cm, as in the figure. What is the distance between the center of mass and the center of the sqaure?

    i need some serious help with cm, i dont get this at all.
  2. jcsd
  3. Dec 10, 2003 #2
    U might consider The removed part as negative mass
    Last edited: Dec 10, 2003
  4. Dec 10, 2003 #3
    Where is the circular hole located (no fig shown)

    If it is removed from centre than the CM wont change
  5. Dec 11, 2003 #4
    top right corner of the sqaure
  6. Dec 11, 2003 #5
    since considering Centre of square as origin

    [tex]X_{cm}= - \frac{\pi 11.1}{32}[/tex]
    [tex]Y_{cm}= - \frac{\pi 11.1}{32}[/tex]

  7. Oct 14, 2004 #6
    where did the 32 come from?
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