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## Main Question or Discussion Point

If we find the Poynting vector at a point along all possible directions possible, can the different components of the vectors cancel each other, to give a net Poynting vector along some direction?

I was wondering about this because Poynting vector after all represents energy flow. So can energy flow along different directions cancel each other ?

I suppose we can, since energy and momentum are interrelated and I can imagine momentum components canceling. I just wanted to confirm if my thought process is correct.

Thanks

I was wondering about this because Poynting vector after all represents energy flow. So can energy flow along different directions cancel each other ?

I suppose we can, since energy and momentum are interrelated and I can imagine momentum components canceling. I just wanted to confirm if my thought process is correct.

Thanks