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Travelling in a bumpy bus

  1. Jul 17, 2003 #1
    Why one needs to keep ones legs far apart when he has to stand in the aisle of a bumpy riding bus?
     
  2. jcsd
  3. Jul 17, 2003 #2

    HallsofIvy

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    In order to stay upright, your center of mass has to stay above your base. Placing your feet farther apart makes your base- the area between your feet- larger. The reason you need to do this on a bumpy bus but not when you are standing on the ground is that your center of mass moves more on the bus.
     
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