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Which law of physics do you like most?


baboe
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Ok, time for some real discussions on TF. Tell us which law of physics you like most!

For me, I just love the Doppler effect! Don't you just have to love those cows standing in the field staring with wide eyes at the passing trains? One can only imagine what goes on in their brain at that time. I bet they are calculating the frequency of the sound of the train in relation to the distance of it (in real time of course)!

Come on Thai girls, I know you get all excited about physics. What is your favorite law of physics?

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Newtons first law pertaining to Inertia.

Inertia= Resisting changes to its 'state of motion.

Like the other guy's I should not be answering this post as I'm not a woman either.

Maybe be they have no interest in Physics, maybe the aspect of Physical appearance would be more to their appeal.

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I don't think this subject is gonna attract much girls.[b

It's certainly not the right topic to attract females. Youhad better have a Plan B or you are just going to bomb out Their are Heaps of Topics to choose from. I will let you work it out for yourself.

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I find biology, as in anatomy, much much more exciting than physics. But then, he was asking Thai girls.

Oh, sorry, it's not just Thai girls that can answer. I just mentioned them because in another threat they told they get all hot and excited about science :wink: So, whoever you are, Thai or farang, man or woman (or katoey), feel free to answer.

Also, if you prefer something about biology, don't hesitate to answer (I remember a bit of genetics from high school, quite liked that Mendel guy).

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Ok, time for some real discussions on TF. Tell us which law of physics you like most!

For me, I just love the Doppler effect! Don't you just have to love those cows standing in the field staring with wide eyes at the passing trains? One can only imagine what goes on in their brain at that time. I bet they are calculating the frequency of the sound of the train in relation to the distance of it (in real time of course)!

Come on Thai girls, I know you get all excited about physics. What is your favorite law of physics?

I'd first of all suggest that subfield of continuum mechanics known as the study of elasticity, "a branch of physics which studies the properties of elastic materials. A material is said to be elastic if it deforms under stress (e.g., external forces), but then returns to its original shape when the stress is removed. The amount of deformation is called the strain."

It might be necessary to study tensorial calculus a bit, but I'm sure some of the guys here can give short preparation courses to hit the ground running wink wink nudge nudge. Finally put that degree to some good use.

http://en.wikipedia.org/wiki/Elasticity_%28physics%29

(scroll down to 'See also' for additional inspiration)

Go for it ladies, there's a lot of truth out there! :wink:

Very interesting topic, girls indeed get hot and exited about this! :D

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Ok, time for some real discussions on TF. Tell us which law of physics you like most!

For me, I just love the Doppler effect! Don't you just have to love those cows standing in the field staring with wide eyes at the passing trains? One can only imagine what goes on in their brain at that time. I bet they are calculating the frequency of the sound of the train in relation to the distance of it (in real time of course)!

Come on Thai girls, I know you get all excited about physics. What is your favorite law of physics?

I'd first of all suggest that subfield of continuum mechanics known as the study of elasticity, "a branch of physics which studies the properties of elastic materials. A material is said to be elastic if it deforms under stress (e.g., external forces), but then returns to its original shape when the stress is removed. The amount of deformation is called the strain."

It might be necessary to study tensorial calculus a bit, but I'm sure some of the guys here can give short preparation courses to hit the ground running wink wink nudge nudge. Finally put that degree to some good use.

http://en.wikipedia.org/wiki/Elasticity_%28physics%29

(scroll down to 'See also' for additional inspiration)

Go for it ladies, there's a lot of truth out there! :wink:

Very interesting topic, girls indeed get hot and exited about this! :D

If only they'd get what this is rrreally about, they'd not just be hot but wet.

Pity most get stuck with a (biblical or Newtonian) apple falling off a tree, so I don't think they ever make it to the wonders of shear and rotational stiffness

:roll:

(let me use that girly icon again please)

If only they would have paid more attention during physics class, they would have so much fun right now! :wink:

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The statements of the laws

Newton's laws of motion describe the acceleration of massive objects. The modern understanding of Newton's three laws of motion is:

First Law

If no external force acts on a particle, then it is possible to select a set of reference frames, called inertial reference frames, observed from which the particle moves without any change in velocity.

Second Law

Observed from an inertial reference frame, the net force on a particle is proportional to the time rate of change of its linear momentum. Momentum is the product of mass and velocity. This law is often stated as F = ma (the force on an object is equal to its mass multiplied by its acceleration).

Third Law

Whenever A exerts a force on B, B simultaneously exerts a force on A with the same magnitude in the opposite direction. The strong form of the law further postulates that these two forces act along the same line.

In the given interpretation mass, acceleration and most importantly force are assumed to be externally defined quantities. This is the most common, but not the only interpretation: one can consider the laws to be definitions of these quantities. Notice that the second law only holds when the observation is made from an inertial reference frame, and since an inertial reference frame is defined by the first law, asking a proof of the first law from the second law is a logical fallacy

FOR EVERY ACTION, THERE IS AN EQUAL BUT OPPOSITE REACTION........ :D

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  • 2 weeks later...
f = Ma

Force = Ma. The law of physics that tells you never to disobey your mother.

Personally I like the Schrödinger equation, which describes the space-time dependence of quantum mechanical systems (such as unobserved cats in boxes). (Wikipedia, but it's full of math.)

Then there's Schrödinger's cat, which got bloody mad at him because he left it in a box for months without looking in on it, just so he could use it as an example to explain quantum mechanics to people with a friendly story.

--Ling

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