I need to find the flux of the vector field F through S (in the pic), when S represent the edges of a cube.

My question is, how do I find N (normal)? Do I need to split the curb and to find the flux through each face?

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- July 27th 2008, 11:06 PMasi123Flux
I need to find the flux of the vector field F through S (in the pic), when S represent the edges of a cube.

My question is, how do I find N (normal)? Do I need to split the curb and to find the flux through each face? - July 28th 2008, 03:17 AMmr fantastic
- July 28th 2008, 04:11 AMasi123
- July 28th 2008, 04:13 AMmr fantastic
- July 28th 2008, 06:32 AMasi123
Another thing, why the fluxes aren't canceling one another?

- July 28th 2008, 07:16 PMmr fantastic
- July 29th 2008, 10:20 PMasi123Still a bit stuck
Lets say I want to calculate the flux which goes through the upper face.

I know the vector field is F, and I know the normal, so I came up with this thing in the pic.

My question is, how do I find ds? - July 30th 2008, 02:33 AMasi123
I think I found a better way using Gauss' law, is this right?

- July 30th 2008, 04:15 AMmr fantastic