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Author Topic: How Much Torque Do You Really Need to Shift the Earth?  (Read 1574 times)

Offline AutoTrader.ca

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How Much Torque Do You Really Need to Shift the Earth?
« on: August 31, 2018, 08:45:16 am »
An age-old adage, calculated.
Read more...
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Offline Sir Osis of Liver

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Re: How Much Torque Do You Really Need to Shift the Earth?
« Reply #1 on: September 03, 2018, 01:37:30 am »


Nice work!  :thumbup:
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Offline me_2

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Re: How Much Torque Do You Really Need to Shift the Earth?
« Reply #2 on: September 03, 2018, 08:02:17 am »
Well, they named it using short scale numbering  :shuffle:
 
"For whole numbers less than a thousand million (< 109) the two scales are identical. From a thousand million up (≥ 109) the two scales diverge, using the same words for different numbers; this can cause misunderstanding."
https://en.wikipedia.org/wiki/Long_and_short_scales

https://en.wikipedia.org/wiki/Long_and_short_scales#Current_usage

Naming system between short & long version seem to me to be a ... mess  :banghead:

See Section: Extensions of the standard dictionary numbers
https://en.wikipedia.org/wiki/Names_of_large_numbers#Extensions_of_the_standard_dictionary_numbers

They proposed a "fix"
https://en.wikipedia.org/wiki/-yllion
« Last Edit: September 03, 2018, 08:16:28 am by me_2 »
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ltruong

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Re: How Much Torque Do You Really Need to Shift the Earth?
« Reply #3 on: September 04, 2018, 11:34:26 pm »
The earth is just over 6km in radius....? Huh
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Offline dirtyjeffer

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Re: How Much Torque Do You Really Need to Shift the Earth?
« Reply #4 on: September 04, 2018, 11:44:08 pm »
Quote from: wongpong on September 04, 2018, 11:34:26 pm
The earth is just over 6km in radius....? Huh
yes...6371 actually (it says so in the article).
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Offline tenpenny

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Re: How Much Torque Do You Really Need to Shift the Earth?
« Reply #5 on: September 05, 2018, 06:44:37 am »
I think that’s off by a factor of 1000.

6km is not 6000km.


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Offline tpl

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Re: How Much Torque Do You Really Need to Shift the Earth?
« Reply #6 on: September 05, 2018, 08:28:55 am »
If one is going to generate silly numbers it would be far more useful to compute the torque needed to spin the planet up from 1 rev per day to 1 rev in, say exactly 24 +/- 0 seconds taking one year to do it.
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Offline dirtyjeffer

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Re: How Much Torque Do You Really Need to Shift the Earth?
« Reply #7 on: September 05, 2018, 04:04:08 pm »
Quote from: tenpenny on September 05, 2018, 06:44:37 am
I think that’s off by a factor of 1000.

6km is not 6000km.
i misread it...i thought it was 6k kms.
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Offline dirtyjeffer

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Re: How Much Torque Do You Really Need to Shift the Earth?
« Reply #8 on: September 05, 2018, 04:04:38 pm »
Quote from: tpl on September 05, 2018, 08:28:55 am
If one is going to generate silly numbers it would be far more useful to compute the torque needed to spin the planet up from 1 rev per day to 1 rev in, say exactly 24 +/- 0 seconds taking one year to do it.
interesting question...would it be possible to spin the earth so fast, that stuff starts flying off it?
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Offline Great_Big_Abyss

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Re: How Much Torque Do You Really Need to Shift the Earth?
« Reply #9 on: September 06, 2018, 09:31:43 am »
Yes, but then the earth would also disintegrate...
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Offline tpl

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Re: How Much Torque Do You Really Need to Shift the Earth?
« Reply #10 on: September 06, 2018, 09:56:31 am »
Quote from: dirtyjeffer on September 05, 2018, 04:04:38 pm
Quote from: tpl on September 05, 2018, 08:28:55 am
If one is going to generate silly numbers it would be far more useful to compute the torque needed to spin the planet up from 1 rev per day to 1 rev in, say exactly 24  HOURS +/- 0 seconds taking one year to do it.
interesting question...would it be possible to spin the earth so fast, that stuff starts flying off it?

My change would be very small.  just to make things easier for clocks and calendars.   AHA I see   I missed  Hours after 24.
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Offline dirtyjeffer

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Re: How Much Torque Do You Really Need to Shift the Earth?
« Reply #11 on: September 06, 2018, 08:24:03 pm »
Quote from: Great_Big_Abyss on September 06, 2018, 09:31:43 am
Yes, but then the earth would also disintegrate...
well, that would be no fun.
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