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Learning moments in statics currently

  1. Apr 21, 2010 #1
    Skip to the bottom for the short version...

    We are learning moments in statics currently, and I have a problem that asks me to resolve the force given into x and y components, then, using "the principle of moments" aka Varignon's Theorem, find the moment with that same force applied at different points on the diagram, all of course resulting in the same moment about the given point.

    That is easy enough, however, the last part of the question asks me to find the moment using "a vector approach". It seems to me, based on both my opinion and the rather unclear description of vector approach given in my text, that the principle of moments and vector approach are the same thing...Based on that, am I am unsure how to proceed..

    What is the difference between "vector approach" and "the principle of moments", aka Varignon's thm.?
  2. jcsd
  3. Apr 21, 2010 #2
    Re: Moments

    Using vectors requires two vectors, both a force and a distance vector.
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