Mathmatical Question on Earths Axis

SS MAYFLOAT

Admiral
Joined
May 17, 2001
Messages
6,372
I'm not a figure head at all and would like some help. This is not for anything but for pure fun and make something more understandable (maybe).<br /><br />The earths poles shift about either 3" or 6" per year. If a straight line from the North Pole, South Pole and Sun is used as a reference point, how much does the outter circumfrence (equator) move? I know it has to be a bunch. If so, could it be just mother nature at work pushing the ice caps into a warmer climate causing them to melt?<br /><br />I know way back in school that the formulas used for levers would be used in this situation. I can't remember how it is done since the teacher at that time was in style wearing her mini skirts and hot pants. Testosterone kept my brain cells from learning important stuff then and maybe still. :eek: :D ...............SS
 

tommays

Admiral
Joined
Jul 4, 2004
Messages
6,768
Re: Mathmatical Question on Earths Axis

when i roll a ball it moves the same amount around the whole ball :p <br /><br /><br />tommays
 

SpinnerBait_Nut

Honorary Moderator Emeritus
Joined
Aug 25, 2002
Messages
17,651
Re: Mathmatical Question on Earths Axis

Originally posted by tommays:<br /> when i roll a ball it moves the same amount around the whole ball :p <br /><br /><br />tommays
Me thinks that would be it's axis, right? :p
 

SpinnerBait_Nut

Honorary Moderator Emeritus
Joined
Aug 25, 2002
Messages
17,651
Re: Mathmatical Question on Earths Axis

Sometimes when me plays with my yo-yo, it will spin and move up and down that string and then sometimes it just stays down and spins.<br />Is the outside spinning the same RPMs as the outside?
 

rodbolt

Supreme Mariner
Joined
Sep 1, 2003
Messages
20,066
Re: Mathmatical Question on Earths Axis

I would have to see the dia of the earth but if a line is drawn through the center and then tilted back and forth motion would remain the same on the tilt. in otherwords a 3 degree tilt at the pole would be 3 degrees at a point 90 degrees from the pole. unless you start moving the measureing points. as the earth is not quite actually perfectly round it may vary slightly. however time moves very rapidly with a sundial at the top and bottoms and a bit slower at the equator.<br />I think the fourmula was 2x the diax Pi/speed for figuring surface speed. I would have to go hunt my machinists handbook to verify it.
 

heycods

Captain
Joined
Nov 11, 2005
Messages
3,941
Re: Mathmatical Question on Earths Axis

Originally posted by rodbolt:<br /> I would have to see the dia of the earth but if a line is drawn through the center and then tilted back and forth motion would remain the same on the tilt. in otherwords a 3 degree tilt at the pole would be 3 degrees at a point 90 degrees from the pole. unless you start moving the measureing points. as the earth is not quite actually perfectly round it may vary slightly. however time moves very rapidly with a sundial at the top and bottoms and a bit slower at the equator.<br />I think the fourmula was 2x the diax Pi/speed for figuring surface speed. I would have to go hunt my machinists handbook to verify it.
Now that sounds reasonable to me, thats the theory of tilt revolution Im gona buy. :D
 

SpinnerBait_Nut

Honorary Moderator Emeritus
Joined
Aug 25, 2002
Messages
17,651
Re: Mathmatical Question on Earths Axis

Originally posted by rodbolt:<br /> I would have to see the dia of the earth but if a line is drawn through the center and then tilted back and forth motion would remain the same on the tilt. in otherwords a 3 degree tilt at the pole would be 3 degrees at a point 90 degrees from the pole. unless you start moving the measureing points. as the earth is not quite actually perfectly round it may vary slightly. however time moves very rapidly with a sundial at the top and bottoms and a bit slower at the equator.<br />I think the fourmula was 2x the diax Pi/speed for figuring surface speed. I would have to go hunt my machinists handbook to verify it.
This is a blantant post pad. :p :p <br />JK there rod ol buddy. Good post. Better than my yo-yo. :rolleyes:
 

--GQ--

Chief Petty Officer
Joined
Oct 24, 2005
Messages
516
Re: Mathmatical Question on Earths Axis

mathequation.png
:D :D
 

heycods

Captain
Joined
Nov 11, 2005
Messages
3,941
Re: Mathmatical Question on Earths Axis

Biggest most complicated PAD I have ever seen ;) :D :p :p <br /><br />Reduced to redneck terms it means :"what tommays said" :D
 

sloopy

Captain
Joined
Jul 12, 2002
Messages
3,000
Re: Mathmatical Question on Earths Axis

I thought the magnetic poles are shifting not the actual points of rotation? In that case the equator would not move.
 

OBJ

Supreme Mariner
Joined
Dec 27, 2002
Messages
10,161
Re: Mathmatical Question on Earths Axis

Am I going to fall off the Earth? That's all I wanna' know.
 

rolmops

Vice Admiral
Joined
Feb 24, 2002
Messages
5,727
Re: Mathmatical Question on Earths Axis

Sloopy.You just made more sense than any of the others.Keep it up.
 

Reel Poor

Vice Admiral
Joined
Jan 29, 2005
Messages
5,522
Re: Mathmatical Question on Earths Axis

Originally posted by OBJ:<br /> Am I going to fall off the Earth? That's all I wanna' know.
No you will not fall off, It appears that you will begin to slide first and then be hurled into outter space. :confused:
 

Link

Rear Admiral
Joined
Apr 13, 2003
Messages
4,221
Re: Mathmatical Question on Earths Axis

My understanding is that Sloopy and rolmops are correct.<br />IMH mother earth takes care of herself. The poles switch every once in awhile. Mankind just has to adjust! And move sometimes!<br />Yesterday my water drained counter clockwise.. today it drains clockwise! ??? <br />DUH!<br />The only thing that doesn't change is Change! ;) <br /><br />Link
 

SS MAYFLOAT

Admiral
Joined
May 17, 2001
Messages
6,372
Re: Mathmatical Question on Earths Axis

Okay guys, the revolving of the earth will remain the same except when time is adjusted after so many years by a milla second or two.<br /><br />To my understanding the axis stays the same as we orbit around the sun. This gives us the seasonal changes. Now if the axis tilts more, we then are subject to be colder during the winter and warmer during summer. <br /><br />Like this time of year right now. In my town the trees just have begun to bud while trees in the Carolinas have full pledge leaves. The degree of tilt does have an influence on how early or seasons start or end due to this. This cannot be changed by mankind.<br /><br />GQ, that is exactly what I was looking for. Thanks. A while back I had seen on the Learning Channel about the actual North Pole shifting southward a few inches each year. That doesn't seem much when you are on the pole, but if you were on the equator, that could put up further north or south depending on which cycle of the orbit the earth is on.<br /><br />Is it not possible that this occurance could account for some of the global warming scenerio?<br /><br />Then to top this idea off, if the orbit around the sun differs from its previous orbit, this also could mean colder/warmer climate. If the earth was mechanically connected to the sun keeping or distance the same during each orbit, our weather would be more consistant each year.<br /><br />These are my lines of thinking that global warming is part of nature. I also agree that maybe some of the things we humans do has some effect, but just about as much a putting a teaspoon of food coloring in the ocean.<br /><br />If there was records for the location of the poles in the past thousands of years, then this thought could explain many of mother earths occurances. There are scientests that does agree that our axis does wobble on its orbit.<br /><br />SBN, would you please call your little alien buddies and call muster? One has got loose and will not leave. He is driving me nuts trying to explain this stuff to me. It is interferring with more important things like my boat. :D <br /><br />BTW, Good to see ya posting Sloopy! How is school going for the Dock Boy. Gee wiz, when you finish school, I think they otta make you a Harbor Master!
 

rodbolt

Supreme Mariner
Joined
Sep 1, 2003
Messages
20,066
Re: Mathmatical Question on Earths Axis

most geophysicist agree that the earth has been shifted once or twice in a major fashion, the events of christmas day 04 wobbled the poles and it was far from a big event,geologically speking.<br /> the evidence suggests some larger events and some astronomical events has actually moved the orientation of the axis.<br /> but only if the laws of physics and precession apply to the earths rotational mass.<br />however I cannot agree with the last mathematical formula as it shifted the measuring points along axis Y. this is what I used to program while cutting a radius with a radius.<br />I cant remember all the formula to calculate the distance from arc origin to arc end but its a bit more complex than figguring a right angle, as seen in the above diagram it will shift the measuring point along the y axis.<br />however if the sun does not move and the earths axis shifts,assuming the earth is perfectly round, all measured points along the same radius will shift the same.<br /> its all in the machinist handbook<br /> try to manually program the X and Y axis of a 32nd radius cutter to cut an 18 inch radius on a 6 inch part. you will start the cut on the leading edge of the cutter which has a 32nd" radius and finnish about 2/3s the way past the leading edge.<br /> all our programming at GOEX in Cleburne TX was done on an MT-4 word proccesor attached to a tape punch. all math had to be done with a calculator and the machist handbook.<br /> drove me nuts as math is a weaknes.
 

kenimpzoom

Rear Admiral
Joined
Jul 13, 2002
Messages
4,807
Re: Mathmatical Question on Earths Axis

Dadgum it SS, keep your mouth shut. The liberal whacos will haul you away for not agreeing with their agenda.<br /><br />Your not supposed to think, your supposed to be a sheep.<br /><br />BAAAAAAAAAAA :D <br /><br />Ken
 

SpinnerBait_Nut

Honorary Moderator Emeritus
Joined
Aug 25, 2002
Messages
17,651
Re: Mathmatical Question on Earths Axis

Heck, rodbolt don't know anything about axis and such, but he did stay at a Holiday Inn Express last night. :p <br /><br />Now, you all have my head hurting from reading all that.<br /><br />Everyone all together,<br />"Thanks SS Mayfloat" :D :p
 

JB

Honorary Moderator Emeritus
Joined
Mar 25, 2001
Messages
45,907
Re: Mathmatical Question on Earths Axis

Hmmmm.<br /><br />First of all, I agree with the Sloopster. I think it is the magnetic field that oscillates, not the physical axis.<br /><br />But, if we take the question literally, that IF the axis shifted, let's say 6", with the North pole moving toward the sun. . . .<br /><br />The portion of the equator that was facing the sun would move 6" South and the portion facing away from the sun would move 6" North.<br /><br />The portions that were at 90* to the sun would not move.<br /><br />Therefore, the equator would shift a range from +6" to -6". The reported "bulge" at the equator would increase those numbers by some .001%.<br /><br />Holding a globe and shifting the poles while watching what happens will make the above obvious without the use of any math.
 
Top