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Homework Help: Adding 2 vectors together graphically

  1. Oct 1, 2012 #1
    1. The problem statement, all variables and given/known data
    When adding 2 vectors together graphically, which of the following may be done?
    A) moving a vector
    B) rotating a vector
    C) changing the length of a vector
    D) changing the angle between the vectors

    2. Relevant equations
    a = ax +ay

    3. The attempt at a solution
    I think it's rotating a vector but I'm not certain.
  2. jcsd
  3. Oct 1, 2012 #2


    User Avatar

    Staff: Mentor

    Welcome to the PF.

    Why do you say that?

    Take two vectors, sketch them individually, and then sketch their addition. What did you do when you sketched their addition?

    A = [1,1]
    B = [2,3]
    C = ? (sketch the answer...)
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