Timeline for What is the physical cause that circulation on a closed surface is zero?
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| Apr 5, 2015 at 16:28 | comment | added | ACuriousMind♦ | @user36790: A loop doesn't become a closed surface. I think what Feynman describes there is that if you have a surface whose boundary is a loop, and you shrink the loop to a point, and the surface has no longer a boundary (since the point you shrank the loop to can be considered part of the surface), and is hence closed. | |
| Apr 5, 2015 at 16:18 | comment | added | user36790 | This is really intuitive! Even Feynman used the same approach to deduce Stokes' theorem. Sir, btw, can you please tell how a loop, when shrinked, gets transformed to a closed surface? | |
| Apr 5, 2015 at 16:14 | vote | accept | CommunityBot | moved from User.Id=36790 by developer User.Id=2911 | |
| Apr 5, 2015 at 14:40 | history | answered | ACuriousMind♦ | CC BY-SA 3.0 |