Various Laws in engineering etc

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Ricky2

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Here's some. Can anybody think of any more?

Boyle’s Law definition

“For a fixed amount of gas kept at a fixed temperature, P and V are inversely proportional (while one increases, the other decreases) or

p1V1 = p2V2 or p1V1 / T1 = p2V2 / T2


Charle’s Law definition

“The volume of a given amount of dry ideal gas is directly proportional to the Kelvin Temperature provided the amount of gas and the pressure remain fixed” or

V1 / T1 = V2 / T2


Sod’s law definition

“A piece of buttered toast will always drop butter-side down unless dropped for the exclusive purpose of proving this Law”



Murphy’s Law definition

“Anything that can go wrong will go wrong”



O’Leary’s Prerogative definition

“Murphy was a f***ing optimist”



Cole’s Law definition

“A salad consisting primarily of shredded raw cabbage. It can also include shredded carrots”
 
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Structural engineering is the art of using gross approximations to design and construct, with as many cost savings as possible and with whatever creativity can be mustered, buildings and other structures to hopefully resist those forces to which they may well be subjected, the intensity of which can only be guessed at.
 
s**’s law definition

“A piece of buttered toast will always drop butter-side down unless dropped for the exclusive purpose of proving this Law”
Click to expand...

S*d's Law isn't just a fanciful attempt at explaining bad luck; it has a perfectly good scientific basis. It is the common man's version of the second law of thermodynamics which states that the entropy - aka disorder - in a closed system is always increasing. If you want to take entropy out you have to put energy in. It is a well known fact that mud does not unsplash itself from shoes, that weeds do not remove themselves from your garden and as for teenagers' bedrooms! :eek: :eek: :eek: :eek: :eek: :eek:

I once saw an experiment designed to disprove S*d's law but it was fatally flawed. It involved dropping a toast-shaped piece of foam rubber with two different coloured sides. Now any statistician could predict that one side would not be favoured over the other but real toast isn't like that. Not only is the buttered side heavier; it sticks to carpets! :mad: :mad: :mad: If the toast does hit the carpet dry side first, there's a chance that it'll bounce and flip over but once the butter makes contact that's it. :cry: :cry: :cry:

Meanwhile, as requested, here are two more laws:

Karl Popper's Irrefutable Law of the Universe: There are no irrefutable laws of the universe, only counter-examples waiting to be found.

The Pragmatic Axiom: When the irresistible force meets the immovable object it's time for a tea break.
 
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The squaw on the hippopotamus hide is equal to the sons of the squaws on the other two hides.
 
When serving apprenticeship we were taught silly rhymes to remember laws:
What:Are:Virgins
Virgins:Are:Rare
Ones Ohms law cant remeber the name for other
 
B**** B******* Rape Our Young Girls But Virgins Go Without.

Resistance colour codes ...

Black
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Blue
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Grey
White

MW
 
Shytalkz said:
Structural engineering is the art of using gross approximations to design and construct, with as many cost savings as possible and with whatever creativity can be mustered, buildings and other structures to hopefully resist those forces to which they may well be subjected, the intensity of which can only be guessed at.
Click to expand...

That sounds like a paraphrased version of:

Dr AR Dykes British Institution of Structural Engineers said:
Engineering is the art of modelling materials we do not fully understand, into shapes we cannot precisely analyse so as to withstand forces we cannot properly predict in such a fashion that the public has no reason to suspect the extent of our ignorance.
Click to expand...
 
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