Coriolis ain't a force :-) A real tall pole isn't required, just another person
Bill Beam > On Thu, 21 Nov 2013 15:28:32 -0800, Chris Albertson wrote: > >>If you need a very tall pole that is 100% vertical then hang a >>weighted rope from a tall support. Then go to the other end and watch >>the seconds tick down. > > > Be carefull!... A plumb bob does not hang vertically (point to center > of Earth). > Since the suspension point is undergoing accelerated motion the bob will > be > deflected toword the equator. This problem also applies to bubble > levels, etc. > And there are other perturbations due to Sun, Moon, Jupiter, etc. which > are not constant. > Which leads to the question: How to make the pole vertical? > > Newtons laws are NOT valid in a noninertial frame. (That's why the > Coriolis force > was invented.) > > Thus the term "rocket science". > > > Bill Beam > NL7F > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > -- "The power of accurate observation is commonly called cynicism by those who have not got it." -George Bernard Shaw Dr. Don Latham AJ7LL Six Mile Systems LLC 17850 Six Mile Road POB 134 Huson, MT, 59846 VOX 406-626-4304 Skype: buffler2 www.lightningforensics.com www.sixmilesystems.com _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
