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Comparison of a particle

  1. Jan 22, 2014 #1
    1. The problem statement, all variables and given/known data

    Concentrated forces are to distributed forces as particles are to
    A. Objects
    B. Rigid bodies
    C. Planets
    D. Solids

    2. Relevant equations




    3. The attempt at a solution

    I say B I have looked up the definition of a rigid body and it seems a particle can be considered a rigid body in statics/mechanics due to the fact that there is no deformation in both when forces are applied
     
  2. jcsd
  3. Jan 22, 2014 #2

    phinds

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    Sounds right to me, although my reasoning is different than yours.
     
  4. Jan 22, 2014 #3
    Would u enlighten me on your reason
     
  5. Jan 22, 2014 #4

    phinds

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    I'm looking at it purely as an "is like" problem. I see a concentrated force as localized and a dispersed force as spread out and I see a particle as very local and a rigid body as spread out. I don't see any need to consider deformation. BUT ... that's just the way I look at it. Your analysis might be better.
     
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