Direction and signs of unit vectors

  • #1
188
0
If I have a negative quantity pointing in the positive z direction, is that the same as a positive quantity pointing in the negative z direction?

e.g.

does [itex]-A\hat{z}=A\hat{-z}[/itex]?
 

Answers and Replies

  • #2
149
14
yes they are the same
 

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