# 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 05:26 AM ZapperZ 1 41,744 I have been toying with an idea that may break the second law of thermodynamics for a while now, but it is basically... Apr15-14 11:06 AM berkeman 6 220 Hello, I would like to try to "model" motion of two gravitationally interacting bodies. But from some "separated"... Apr15-14 10:32 AM UltrafastPED 1 105 how can we understand torsion of curve is in the direction of normal unit vector en? Apr15-14 10:30 AM UltrafastPED 3 114 Hi, I'm studying classical mechanics via Goldstein's book. And at the beginning of the chapter on the symplectic... Apr15-14 09:22 AM JonnyMaddox 0 103 With increased pressure tungsten has a higher melting point. (source below page 30) 45kBar increases melting point... Apr15-14 08:25 AM James125 2 128 I am curious about the effects of oscillation in a heat transfer system. For example consider a simple system... Apr14-14 11:25 PM Seth.T 3 103 Are there any good books to understand the BBKGY equations of kinetic theory? Apr14-14 08:24 PM TSC 4 152 Relating to the synchronous nature of the moon’s rotation and orbit around the earth, what would happen if the orbital... Apr14-14 05:51 PM cjl 1 136 I am teaching Physics and I'm not looking for help for a particular homework problem but on a class. Sorry if this... Apr14-14 05:03 PM ranger275 9 254 ... regardless of any possible technical problems, and then, on earth: a) someone throws an object in the air and... Apr14-14 04:21 AM sophiecentaur 10 254 After figuring out how to calculate Cd and Crr coefficients, I'd like to continue my "vehicle physics exploration":... Apr14-14 04:13 AM jumpjack 75 1,486 I recently looked at the reference in an article I am reading, and subsequently checked "Oscillations and Waves in... Apr14-14 01:58 AM UltrafastPED 1 136 I'm developing a scanner that uses a laser for edge detection. It will be mounted on a hexacopter that will traverse a... Apr14-14 01:54 AM UltrafastPED 4 171 It is taught that the classical treatment of the diatomic atom would give a heat capacity of $7/2$ due to 7 degrees of... Apr13-14 10:31 PM dauto 1 124 Hi all, im trying to get my head around some experiment results but im struggling a bit. According to my notes H... Apr13-14 06:56 PM DrZoidberg 2 162 Hello I have learned about maxwells relations and can derive them. I noticed that we had made an assumption of a... Apr13-14 03:29 PM Maylis 1 187 Let's say that you have an open tank of water and a hose connected to the bottom of it. Water is flowing out of the... Apr13-14 02:04 PM jbriggs444 14 263 Hi I need some help explaining kinetic moment and moment of the center of mass. This is an example:... Apr13-14 01:32 PM vela 8 227 I've been reading a paper which models heat transfer in solids using a finite element model. Elements are connected to... Apr13-14 01:08 PM Racer_Rob 0 123 Hi. I thought magnetic moment arose from closed loops of charge currents. How does then the angular momentum of the... Apr13-14 11:35 AM dextercioby 5 209 Take a uniform density bar in space for example. Would the center of mass move if the bar was struck at the very tip... Apr13-14 04:13 AM student34 6 204 Dear all, I am trying use Ampere's law and came across a problem which is a result of my lack of understanding. ... Apr12-14 06:47 PM Mr-R 1 141 Hi, I am posting here for the first time, hence, should I have violated any forum rules I am sorry and kindly... Apr12-14 06:56 AM premie 4 180 Hello, I would like to ask why, when a surface is not polished, it reflects less. I understand that when the... Apr12-14 06:01 AM stevendaryl 9 245 Hello folks! I have just come from a night at the pub with fellow students of life where over many a pint several... Apr11-14 11:35 PM qftqed 3 273 It is commonly said (based on a quick Google search) that wrapping your beer in a wet paper towel and placing it in... Apr11-14 02:14 PM christopher.s 26 10,935 Quick question.... Can the gravitational constant only be used for earth or can it be used in questions regarding... Apr11-14 01:03 PM SteamKing 3 163 Could anyone help my with proving that the acceleration of an object that is moving with uniform circular motion is... Apr11-14 09:55 AM Emz19 4 150 If thermodynamic temperature can be interpreted as the average kinetic energy in a system, is there a quantity defined... Apr11-14 08:14 AM njmcmu 5 137 How do I tell if a torque on a system is internal or external before conserving angular momentum? I know that if a... Apr11-14 12:23 AM transparent 0 143 For my senior physics research project I've developed an orbital analysis program that calculates the minimum \Delta... Apr10-14 04:52 PM Bobbo Snap 2 131 So as I am junior high school student just learned that when the terminals of wire are connected to a battery,an E... Apr10-14 11:30 AM cabraham 3 194 Hi. In this page the Woods-Saxon function is mentioned as describing the charge distribution for in the atomic... Apr10-14 10:55 AM carllacan 0 110 I'm working on a project for myself in regards to atmospheric reentry. I've come across some equations that describe... Apr9-14 08:41 PM Rd123 11 756 I have never dealt with moment of inertia before, this is a physics lab i need to do some pre planning for which... Apr9-14 02:17 PM cooev769 8 220 I am currently working on a robotic manipulation problem and need to form a model for how an object responds. I start... Apr9-14 09:14 AM Liferider 1 168 Suppose that we have a body that is moving at a straight line, inertially wrt to another frame. If it starts to move... Apr9-14 07:58 AM Andrew Mason 9 186 Where does ohmic resistance arise from, is it from the collision of the current with the electrons of the wire or is... Apr9-14 07:57 AM nasu 19 383 Hi everyone--first post, thanks for any guidance if I've posted in the wrong place. I've got a simple idea and I'm... Apr9-14 05:08 AM Bobbywhy 7 217 This is not schoolwork. Imagine that light did not have a constant speed, but behaved in the manner expected from... Apr8-14 11:37 PM Simon Bridge 1 161