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Groups > sci.physics > #598704
| From | Serigo <invalid@invalid.com> |
|---|---|
| Newsgroups | sci.physics |
| Subject | Re: Ball on turntable |
| Date | 2016-09-28 15:48 -0500 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <nshaai$sgi$1@gioia.aioe.org> (permalink) |
| References | <nsgohb$1t56$1@gioia.aioe.org> <d8b5ce1b-8ba5-4051-a3e6-b9f239de57b8@googlegroups.com> |
On 9/28/2016 1:53 PM, HVAC wrote: > Not only hard but thought provoking. So many forces to consider. I > assume I can ignore Coriolis factors? > yep, I declare this problem is too hard, it has moment of inertia of the ball in it, and 8 equations see solution 21 https://www.physics.harvard.edu/academics/undergrad/problems also checkout problem 3, where they prove a pencil can only be balanced on its tip for a max of 4 seconds, by anything.
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Ball on turntable Serigo <invalid@invalid.com> - 2016-09-28 10:44 -0500
Ball on turntable HVAC <mr.hvac@gmail.com> - 2016-09-28 11:53 -0700
Re: Ball on turntable Serigo <invalid@invalid.com> - 2016-09-28 15:48 -0500
Re: Ball on turntable "reber g=emc^2" <herbertglazier0@gmail.com> - 2016-09-29 13:11 -0700
Re: Ball on turntable "hanson" <hanson@quick.net> - 2016-09-29 13:49 -0700
Re: Ball on turntable rbrteline@gmail.com - 2016-10-03 13:13 -0700
Re: Ball on turntable Serigo <invalid@invalid.com> - 2016-10-04 11:18 -0500
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