Some properties of vectors - there is a point I don't understand it .

  1. Hi



    Two vectors A and B are equal if they have the same magnitude and the same direction . this property allows us to translate a vector parallel to itself in a diagram without affecting the vector . In fact , for most purposes, any vector can be moved parallel to itself without being affected .



    can you give me an example of that point
     
  2. jcsd
  3. Mark44

    Staff: Mentor

    Let u = i + j

    Let v be the vector that extends from (2, 1) to (3, 2)

    Then |u| = |v| = sqrt(2)
    and both vectors make an angle of 45 degrees with the positive x-axis.
     
  4. Thanks a lot
     
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