Area vectors of oriented surfaces

mathwizeguy
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Are area vectors of oriented surfaces always perpendicular to the surface?
 
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welcome to pf!

ih mathwizeguy! welcome to pf! :wink:
mathwizeguy said:
Are area vectors of oriented surfaces always perpendicular to the surface?

simple answer … yes! :smile:
 
Also, you should know that the convention is for the area vector to point out of the surface.
 
lugita15 said:
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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