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physics&me
 one year ago
Best ResponseYou've already chosen the best response.0Yes, you are right, because cross product vector is always perpendicular to both of the vectors we are multiplying, thus it's perpendicular to vector v. Dot product has in itself the cosine of the angle between two given vectors, and we know that the cosine of 90 is 0.

kakk
 8 months ago
Best ResponseYou've already chosen the best response.0I think this concept can be applied to div(curl F) = 0 as well
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