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Worb done by variable force

  1. Oct 18, 2009 #1
    The total work done by the force as the object moves from position x1 to xn can be approximated by the formula
    I am confuse about (i) because in graph delta x shown in center.Is it first or middle?
    in formula i=1
    Last edited by a moderator: Apr 24, 2017
  2. jcsd
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