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Classical Physics

- Principles developed before the rise of relativity and quantum mechanics. Mechanics, Electrodynamics, Thermodynamics, Optics...
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Jan16-12 Greg Bernhardt
Before posting anything, please review the Physics Forums Global Guidelines. Again, for some odd reason, people...
Apr22-11 05:26 AM
ZapperZ
1 48,270
what's the force acting during stapling?
Mar15-08 01:53 AM
cryptica
0 1,067
Hey I was just wondering what the differences between the three forms of mechanics were. I've only studied basic...
Mar15-08 12:53 AM
Feldoh
4 4,241
Why don't we call B magnetic field strength like we call E, the electrical counterpart. In stead we call it magnetic...
Mar14-08 11:19 PM
nandan
4 1,020
Hello. I have what I hope to be a simple question. It's something that I've come across in several problems in my...
Mar14-08 07:32 AM
AussieDave
4 3,564
I am working on using a Runge Kutta 4th order code (in the C programming language) to predict a Keplerian orbit in 2...
Mar13-08 06:17 PM
D H
3 7,060
I'm not sure this is the right place to post this question but here goes: In feynman vol.1 39-9 there is a...
Mar13-08 12:30 PM
jbunten
2 3,562
Greetings, Can you recommend a web site or sites that has worked examples and discussion of harmonic motion with 2+...
Mar13-08 11:10 AM
SeniorTotor
1 1,199
L.D.Landau's book <Mechanics> first page have below word: if all the co-ordinates and velocities are simultneously...
Mar13-08 10:54 AM
SeniorTotor
13 3,056
I don't understand how walking 10 feet forward and then 10 feet back means you did zero work. If I pull a 1 pound...
Mar13-08 09:06 AM
stewartcs
13 1,523
Sorry if I'm posting in the wrong place. I am a High School Physics teacher in Christchurch, New Zealand. I recently...
Mar13-08 07:49 AM
Andy Resnick
2 1,375
What is the exact definition for momentum other than the formula p=m.v? Is there a way to understand it as a real...
Mar13-08 07:38 AM
SeniorTotor
6 1,325
In my little area of recent research, the Green's tensor is the relationship between a point force and the resulting...
Mar13-08 07:33 AM
SeniorTotor
2 7,217
I am just playing around with physics simulation in c++... and my latest obsession is simulating rigid body motion...
Mar13-08 05:13 AM
pkleinod
3 1,963
Hello! 1 MW can be transmitted , for example, in 2 ways: 1MW=100V*10000A; or 1MW=10000V*100A. In the...
Mar13-08 03:20 AM
SciencePF
7 1,674
Hi! I'd like to know if there is some way of computing or deriving the energy stored in a metallic object subject...
Mar12-08 05:26 PM
rsr_life
5 1,930
Dear all, Intuitively, the probability of finding a trapped particle at a given location x should be proportional...
Mar12-08 05:56 AM
pkleinod
7 1,875
In the definiton of magnetic lines of force, we talk about one unit north pole. Why? Path is independent of the pole...
Mar12-08 05:02 AM
manjuvenamma
0 1,253
Hi I read that in an encyclopedia but I don't understand it. "Because the surface of the material is now...
Mar12-08 04:36 AM
tiny-tim
5 1,563
Why can't I use Ampere's law to compute the magnetic field at the center (P) of a semi-circular wire? If I...
Mar11-08 03:03 PM
mgrantbaker
7 2,464
Hi everybody! I have a big question for you, I have been staring me blind on this problem I got. And wonder if...
Mar11-08 04:24 AM
Ploppen
0 766
I was wondering if anyone knows of systems for which the Hamiltonian is not equall to the total energy? This is an...
Mar10-08 03:53 PM
pmb_phy
2 1,802
Hi, I'm looking for a mathematical method of estimating gas density at a point within flow from a fairly low...
Mar10-08 10:55 AM
Sub
0 637
Problem: Consider a particle of mass m, constrained to move in a circle of radius r. Find the Lagrangian: Relevant...
Mar10-08 09:22 AM
jsc314159
7 2,709
Hopefully I have posted this in the correct section; Can anyone help with the equation(s) & assumptions required to...
Mar10-08 07:34 AM
jkl
0 4,300
I read that charge by induction precedes force of attraction between a charged body and a neutral one. That is, the...
Mar10-08 06:45 AM
manjuvenamma
2 2,166
Can some one tell me the speciality of gold for being used in gold leaf electrocscope in spite of being expensive when...
Mar10-08 06:43 AM
manjuvenamma
2 2,283
Hello, This is my first post on this site, but I find that I have gotten myself in to a nice confusion as to where...
Mar9-08 06:08 PM
killercatfish
0 1,262
if you stir a cup of coffee, is the velocity at the centre different from the velocity outside?
Mar8-08 06:37 PM
tiny-tim
10 3,074
Hi folks, my first post here, looks like a very helpful website though, so i thought i'd share my problem. I'm a...
Mar8-08 10:25 AM
RonL
7 5,118
When I started taking driving lessons a long time ago, my teacher told me that when putting the gear into neutral it...
Mar8-08 06:31 AM
Yoni
5 1,456
Hi all, In physics class I recently got the assignment to conduct an experiment. It can be anything I want, as long...
Mar7-08 11:53 PM
Shukie
0 2,763
Hi, I am trying to calculate how fast you could rotate a pool table (at constant angular velocity) without the balls...
Mar7-08 03:22 PM
clem
1 2,414
Can anyonewe suggest an extended essay project for me in physics. I am a grade 11 student in physics and want to do my...
Mar7-08 02:13 PM
Andy Resnick
2 7,037
Wrong forum! Sorry!
Mar7-08 09:23 AM
Andy Resnick
1 635
When something is boiling, like water on a stove, where do the bubbles come from? is it from some sort of chemical...
Mar6-08 08:23 PM
Astronuc
3 919
I'm making a question paper with answers having multiple options. I made/got the questions and right answer, but I'm...
Mar6-08 05:33 PM
Lojzek
11 1,363
I have thought and thought about this problem for years and made no progress. First off, the moving block on an...
Mar6-08 01:43 PM
pam
2 1,623
I wasnt able to find anything on the internet, so maybe someone else can help. I need to know the coeifficient of...
Mar6-08 01:40 PM
spri4
3 966
I got injured while playing football and had to miss a Thermodynamics-I lecture. Got the notes afterwards but they...
Mar5-08 01:11 PM
Altairs
0 3,653
Is this effect real? as far as i've seen there has been no tests that would suggest that this can actually occur. It...
Mar4-08 09:30 PM
Astronuc
11 2,133

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