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Floating stacked books

  1. Oct 19, 2009 #1
    Hello,
    I'm curious as to the name of a particular "effect."

    Imagine a stack of 10 books, uniform in weight and size, each 9 inches across. Now Imagine flaring them out in one inch intervals, forming a staircase. The topmost book is going to be one inch out from the bottom most book, and effectively "floating." What is the name of this? I know its not a keystone, but similar. I understand how it works, but i just don't know the name of it. Thank you :)

    A picture of my own creation of the effect can be viewed here: http://i653.photobucket.com/albums/uu252/ulfsark9/StackedBooks.gif [Broken]
     
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Oct 19, 2009 #2
    The standard solution limit is the series 1/2 plus 1/3 plus 1/4 plus 1/5 etc. But a better one was published in Science magazine under the title "The Joys of Longer Hangovers"
    Bob S

    See longer hangover here (see post #8):
    https://www.physicsforums.com/showthread.php?t=305336
     
    Last edited: Oct 19, 2009
  4. Oct 20, 2009 #3
    Harmonic Overhang! Thank you!
     
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