Area vectors of oriented surfaces

  • #1
Are area vectors of oriented surfaces always perpendicular to the surface?
 

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  • #2
tiny-tim
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welcome to pf!

ih mathwizeguy! welcome to pf! :wink:
Are area vectors of oriented surfaces always perpendicular to the surface?
simple answer … yes! :smile:
 
  • #3
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Also, you should know that the convention is for the area vector to point out of the surface.
 
  • #4
HallsofIvy
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Also, you should know that the convention is for the area vector to point out of the surface.
Such a convention would only hold for a closed surface. You can, more generally, refer to "upward" or "downward" normals, "inward" or "outward" normals, etc.
 

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