Classical Physics

- Principles developed before the rise of relativity and quantum mechanics. Mechanics, Electrodynamics, Thermodynamics, Optics...
 Meta Thread / Thread Starter Last Post Replies Views Before posting anything, please review the Physics Forums Global Guidelines. Again, for some odd reason, people... Apr22-11 06:26 AM ZapperZ 1 39,839 In my E&M class yesterday, in going over an example for the Biot-Savart law, I couldn't quite understand the initial... Oct25-13 04:33 AM mikeph 3 410 http://m.youtube.com/watch?v=8X1x9RLaaxc he tells number of contraints (he write no of pairs ) is nC2 how is it, i... Oct25-13 03:07 AM DrClaude 7 459 i'm trying to relate the helmholtz and the gibbs free energy together. I thought that since the gibbs was just the... Oct24-13 10:03 PM iScience 2 303 Fractals are just many iterations of a very basic formula, so they can be described with little information, and yet... Oct24-13 09:43 PM meBigGuy 7 283 I'm designing an eyepiece for fun and want to be accurate. I just realized my physics book equations are approximated... Oct24-13 07:28 PM UltrafastPED 7 310 What basic types of stable orbits are there for sets of objects of equal mass? For example, with one object it... Oct24-13 07:12 PM Jano L. 1 381 Hi, Does it make a difference if you use nitrogen gas or oxygen gas or hydrogen gas in the bulb ? Or they all give... Oct24-13 04:24 PM Philip Wood 2 321 Hello, i'm doing my prep for my lab experiment tomorrow and have a few questions about the experiment. The... Oct24-13 04:19 PM BOAS 2 333 I was little confused about taking inertial forces into significance while calculating piston effort in a piston crank... Oct24-13 04:18 PM Lewbish 5 4,754 What is the criteria in choosing infinity as zero potential ? e.g. an infinite plate with uniform charge density. ... Oct24-13 01:09 PM rude man 8 368 Can anyone give me an intuitive/physical reason for why the divergence of the curl of a vector field is always zero? I... Oct24-13 10:43 AM arildno 11 496 I read on 27 chapter from Blundell's Thermal Physics 2nd edition. For ideal gases, Joule expansion doesn't cool... Oct24-13 04:25 AM rude man 4 320 Hi, I have the following theoretic setup: A cap of size C Farad is connected between nodes A and B and loaded... Oct24-13 04:13 AM rude man 1 285 Hi, I have a question regarding the projection of polarised light onto a screen, such as commonly used in 3D or VR... Oct24-13 04:06 AM sperryrand 5 236 Hello, I'm studying capacitors in my freshman physics class and I'm not quite following my book here. My book... Oct24-13 03:41 AM Mangoes 4 349 I am Reading in a Book of Stochastic Processes. I understood the Derivation of the Fokker-Planck equation from the... Oct24-13 02:30 AM X89codered89X 2 308 How is for rigid body made up of n particle, the degree of freedom is 3n-nC2.i can understand that degree freedom of... Oct24-13 12:27 AM voko 2 228 I'd like to understand how the double rod pendulum works and how it changes when a point mass is added to one of the... Oct23-13 11:48 PM voko 7 405 Hi! I have problem with uderstanding of Liouville equation. Which sais that if we have a Hamiltonian system (energy... Oct23-13 04:42 PM Jano L. 2 439 Hi Yesterday during a lecture the Klein Bottle manifold was mentioned. We've been busy with describing the natural... Oct23-13 03:51 PM JorisL 4 291 I am after a text that takes one through the derivation of Keplers Laws and related material. I'm sure i knew of one... Oct23-13 02:13 PM dauto 3 277 Hi! What are the slow extracted beams used in synchrotrons? Khilav Oct23-13 12:39 PM khil_phys 0 209 I've come to the conclusion that i don't understand at all the concept behind inertia. How can we know when an object... Oct23-13 08:44 AM Doc Al 7 434 So, I don't want to disclose why I want to know about this because its to do with a friends invention and it would... Oct23-13 05:24 AM CWatters 6 369 Please find the attached picture. It clearly explains the problem What is the method to find the size of the knee... Oct23-13 05:10 AM pongo38 2 389 Why do we represent waves as complex numbers? Why wont real suffice? Thanks for any help. Oct23-13 01:05 AM meBigGuy 10 432 Hello, I am currently reading about the topic alluded to in the topic of this thread. In Taylor's Classical... Oct22-13 01:32 PM JorisL 4 298 Hi all, I have a couple of questions about the process of kohler illumination (optimised condenser alignment) in... Oct22-13 09:54 AM Andy Resnick 3 235 Hello - first post to PF. I was making my iced coffee this morning as usual by pouring hot, freshly brewed coffee... Oct22-13 12:26 AM SteamKing 8 242 Hi everyone, In the attached diagram there are two hydraulic systems. The cylinder areas for each system are the... Oct21-13 08:22 PM Baluncore 1 355 Hello! My fluid dynamics book doesn't bother explaining this properly, so can somebody please give a short, intuitive... Oct21-13 06:16 PM Nikitin 5 296 In Lagrangian mechanics, the Euler-Lagrange equations take the form \frac{\partial L}{\partial x} =... Oct21-13 05:47 PM arildno 10 379 People normally talk of electrons performing oscillatory motion when an electromagnetic field is incident on an atom.... Oct21-13 01:33 PM ns_phonon 4 333 So when a ball falls through a fluid in which it is submerged, it keeps displacing fluid as it descends, but the level... Oct21-13 01:19 PM rcgldr 16 576 I have just read a mention about a variant of Legendre transformation that instead of producing the Hamiltonian... Oct21-13 10:10 AM arivero 6 325 It’s in Susskind’s 7th lection on the classical mechanics when he’s approaching Liouville’s Theorem he’s using... Oct21-13 08:21 AM DaleSpam 18 539 Theoretical study. Disks are one above the other. Turn at same rotationnal speed w. Is it possible to choose good... Oct21-13 07:58 AM Gh778 0 368 I have a vehicle with wheels and electric motor that drives that wheels. Those are characteristics of engine... Oct21-13 12:00 AM rcgldr 27 820 Hey guys. I'm building a mini electric generator and I would like some clarification on Faraday's Law. So his law... Oct20-13 11:48 PM jtbell 1 307 Hey, everyone. I am going to post a question—but it's not the question I need help with. It's something deeper (and... Oct20-13 09:35 PM UltrafastPED 1 225