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Homework Help: Electric Field Tension In Wire Problem HELP!

  1. Sep 13, 2014 #1
    Problem Statement:

    Attached in pic. Find the tension between the wire of two charges.

    My attempt: So basically idk how to account for tension and thought you can just use the E-Force between the two charges in the direction towards the E-Field. How do i account for the tension? In which direction should the tension force point?


    Attached Files:

  2. jcsd
  3. Sep 13, 2014 #2


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    Try drawing a free body diagram for the negative charge. What forces are going to be acting on it? The tension is the force in the wire, which transmits a mechanic force between the positive and negative charges (in addition to the electric force which is due to the electric field).
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