Timeline for Explanation of the liquid rope coil effect
Current License: CC BY-SA 3.0
9 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 20, 2017 at 17:27 | answer | added | anon | timeline score: -2 | |
| Dec 3, 2015 at 18:23 | comment | added | honeste_vivere | See my answer about the difference between acceleration and force here. | |
| Dec 3, 2015 at 17:09 | comment | added | user35734 | I'm having a little trouble fully understanding your comments then. Could you write a little more extensively about what you mean? | |
| Dec 3, 2015 at 15:52 | comment | added | honeste_vivere | My point was to keep you from confusing different concepts. Centripetal acceleration occurs because the Ref. frame to which one is tied accelerates due to an unbalanced force. That is, centripetal acceleration is a consequence of the reference frame, not a force in and of itself. | |
| Dec 3, 2015 at 15:31 | comment | added | user35734 | don't those stresses/strains cause a centripetal acceleration? | |
| Dec 3, 2015 at 14:55 | comment | added | honeste_vivere | I do not think centripetal acceleration is the issue here. I think the effect arises entirely from viscous stresses/strains... | |
| Dec 3, 2015 at 14:22 | comment | added | user35734 | I tried it out with water and found no coil effect as I expected. If I swish the water bottle a little bit so the water is no longer pointing straight down, it then after a small amount of times goes back to straight down. Gravity wants the flow to be straight down after all. So is the viscous effect only needed to cause the initial tangential acceleration and then gravity does the rest? Although I'd imagine a viscous fluid would be needed to make the centripetal force large enough to be visible. | |
| Dec 3, 2015 at 13:52 | comment | added | honeste_vivere | Perhaps start by asking whether you would expect the same thing from water. What if we heated up the honey to near boiling, would it still coil in the helical pattern shown in the video? | |
| Dec 3, 2015 at 13:28 | history | asked | user35734 | CC BY-SA 3.0 |