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Three Point Charges

  1. May 15, 2007 #1
    Three point charges with a distance a between them (as shown). What is the resultant force on q1?

    Is this correct or am I doing this completely wrong?

    edit: that should be Q1 multiplied by Q3 not adding

  2. jcsd
  3. May 15, 2007 #2
    You're partially right. The F's on your answer should be vectors, since the forces applied on the charge by different charges are on different directions (radial ones)
  4. May 16, 2007 #3
    Thanks. I knew adding the two forces like that couldnt be right

    so if i find the value of F1 and F2 (angle of 60 degrees between them), and resolve them into one resultant vector force.. that will be the correct answer?
  5. May 18, 2007 #4
    [tex]{\vec{F}}_{TOTAL} = \vec{F}_1 + \vec{F}_2[/tex]
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