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The founding concepts of physical measure:

The founding concepts of physical measure: - Physics Forum

The founding concepts of physical measure: - Physics Forum. Discuss and ask physics questions, kinematics and other physics problems.


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  #1  
Old 11-25-2003, 01:14 AM
Don110@mac.com
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Default The founding concepts of physical measure:




The founding concepts of physical measure:

In all of physics, there are only three concepts of measure that cannot be
further reduced to ratios of other measures:

They are: 1) Length, which is the distance between two or more points, lines
or objects in space; 2) Force which is the thrust exerted between two or more
particles of material substance, as they displace each other from
simultaneously occupying and/or passing through the exact same place, and
Time, which is a measure of the time period during which force and other
physical phenomena last.

All other physical measures are ratios and or proportions of these three!

In particular, an objectís mass and/or inertia is a combination of all three:
It is the ratio of the force exerted on and/or by it, to [divided by] the
acceleration caused; where the acceleration is the ratio of the displacement
[the length of the distance between where the object would have been, gone or
stayed if not displaced] divided by the time period during which it occurs.

One slug, the _customary_ unit of mass; is defined as one pound divided by the
acceleration it causes: 1 slug :: 1# sec^2/foot.

Attempts to define force as the product of a unit of mass and its
acceleration are all doomed to failure: For 1# does not equal the product of
1slug and its acceleration: Because the _product_ of one slug and 1
foot/second squared _leaves_ units of 1# per second squared per foot.

One newton does not equal the product of 1 kg and its acceleration: Because
the _product_ of one kg and 1 meter/second squared _leaves_ units of 1 kg
per second squared per meter. A second is a unit of time measure and a meter
is a unit of length!

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  #2  
Old 11-25-2003, 02:06 AM
dlzc@aol.com \(formerly\)
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Default The founding concepts of physical measure:

Dear Don110:

<[Only registered users see links. ]> wrote in message news:bpuadg$5ad$[Only registered users see links. ]...
be
lines
more

Length, and time are standardized measures, as is mass. Force is a derived
unit.

David A. Smith


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  #3  
Old 11-25-2003, 02:24 AM
Uncle Al
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Default The founding concepts of physical measure:

[Only registered users see links. ] wrote:
[snip]

****ing imbecile. There are seven primary quantities:

length meter
mass kilogram
time second
electric current ampere
thermodynamic temperature kelvin
amount of substance mole
luminous intensity candela

Don't get too excited about length. A relativistic universe has four
distinct distances: luminosity (inverse square), angular diameter,
parallax, and proper motion. No two of them need agree to maintain
consistency.
Don't get too excited about mass. It doesn't appear in the Standard
Model and must be inserted artificially (Higgs mechanism), then set
with 20 empirical parameters.

Don't get too excited about time. Clocks can only be synchronized by
being local.

--
Uncle Al
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(Toxic URL! Unsafe for children and most mammals)
"Quis custodiet ipsos custodes?" The Net!
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  #4  
Old 11-25-2003, 02:39 AM
holog
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Default The founding concepts of physical measure:



[Only registered users see links. ] wrote:




I don't know.
my dictionary shows the 3 primitives to be
1) length l metre
2)mass m kilogram
3)time t second

*excluding electrical quantities which require something else


holog

ps note as speed changes so do the 3 primitives


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  #5  
Old 11-25-2003, 04:28 AM
Robert J. Kolker
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Default The founding concepts of physical measure:



[Only registered users see links. ] wrote:


What about charge?

Bob Kolker


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  #6  
Old 11-25-2003, 04:39 AM
Paul Stowe
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Default The founding concepts of physical measure:

On Tue, 25 Nov 2003 04:28:29 GMT, "Robert J. Kolker" <[Only registered users see links. ]>
wrote:


Now here's a definitive question... What about charge???

Paul Stowe
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  #7  
Old 11-25-2003, 09:38 AM
Martin Hogbin
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Default The founding concepts of physical measure:


<[Only registered users see links. ]> wrote in message news:bpuadg$5ad$[Only registered users see links. ]...
<snip>

Shead, you were an idiot before, you are an idiot now.

Martin Hogbin


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  #8  
Old 11-25-2003, 03:46 PM
Gene Nygaard
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Default The founding concepts of physical measure:

Paul Stowe <[Only registered users see links. ]> wrote in message news:<[Only registered users see links. ]>. ..

In a three base unit mixed cgs system, the unit of charge is 1 erg^0.5
cm^0.5, or in terms of the base units, 1 g^0.5 cm^1.5 s^-1. I leave
it to you and Kolker and Shead to figure it out for the Dense Donny
system (granted, of course, that there isn't a snowball's chance in
hell that Shead could ever figure it out, or even understand it if you
were to explain it to him).

See International Union of Pure and Applied Physics Document U.I.P. 11
(S.U.N. 65-3), Symbols, Units and Nomenclature in Physics, Appendix.
Systems of Quantities and Units in Electricity and Magnetism,
reprinted in CRC Handbook of Chemistry and Physics 58th Ed. 1977-1978
(and in other editions around that time, though not on the same
pages), pp. F-296 to F-298.

Gene Nygaard
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  #9  
Old 11-25-2003, 03:55 PM
Gene Nygaard
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Default The founding concepts of physical measure:

"Martin Hogbin" <[Only registered users see links. ]> wrote in message news:<bpv7tv$c8v$[Only registered users see links. ]>...

It's hard to believe he thought he could hide that much stupid, and
remain incognito with his new name (not signing the posts like u10889
always did).

Gene Nygaard
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  #10  
Old 11-25-2003, 06:10 PM
Martin Hogbin
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Default The founding concepts of physical measure:


"Gene Nygaard" <[Only registered users see links. ]> wrote in message .>

I wonder what he will do next.

1) Ignore us or deny any connection with Shead.

2) Say that he was not trying to remain incognito and just
changed his ISP and forgot to sign his post.

3) Something even madder that I have not thought of.

Martin Hogbin


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