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Simple Vector Notation

  • Thread starter superg33k
  • Start date
  • #1
96
0

Homework Statement



Does
[tex]r_{12}[/tex]
mean distance from point 1 to point 2, or point 2 to point 1?


Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
374
1
Where you typically see this notation is the vector form of Coulomb's law where electric force exerted by a charge q1 on a second charge q2 is written F12
 
  • #3
96
0
Cheers, I'm using in it Biot-Savat law so same thing really. I always forget it, it drives me nuts! Thanks again.
 

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