1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Coulomb's Law, a square

  1. May 13, 2010 #1
    I've been working on this problem for a while but i am getting confused on vector directions.

    Four point charges are arranged in a square with sides of 0.38m. Find the magnitude and direction of the force at each corner of the square.

    Point 1=3nC Point 2= 19nC

    Point 3= -6nC Point 4= -17nC

    (this is what the square looks like)

    I've been setting up the forces at each point using F=k q1*q2/ r^2 but im not sure i have the arrows in the right directions and how to calculate the force coming in from the diagonal!

  2. jcsd
  3. May 13, 2010 #2
    force on the diagonal the only thing that changes is ur "r" value, use pythagorus to find "r" in terms of directions, opposites repel, likes attract, and direction would be from the charge point of view
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Similar Discussions: Coulomb's Law, a square
  1. Coulomb's law (Replies: 1)

  2. Coulomb's law (Replies: 8)

  3. Coulomb Law (Replies: 1)