What is Classical: Definition and 1000 Discussions

Classical music is art music produced or rooted in the traditions of Western culture, generally considered to have begun in Europe after the fall of the Western Roman Empire in the late 5th century CE and continuing to present day. Classical music refers to Western musical traditions considered to be apart from or a refinement of Western folk music or popular music traditions. The major periods are the medieval (500–1400), Renaissance (1400–1600), Baroque (1600–1750), Classical (1750–1820), Romantic (1800–1910), Modernist (1890–1975) and Postmodern era/Contemporary (1950–present) eras. These periods and their dates are all approximate generalizations and represent gradual stylistic shifts that varied in intensity and prominence throughout the Western world.
The term "classical music" did not appear until the early 19th century, in an attempt to distinctly canonize the period from Johann Sebastian Bach to Ludwig van Beethoven as a golden age. The earliest reference to "classical music" recorded by the Oxford English Dictionary is from about 1829.European art music is largely distinguished from many other non-European classical and some popular musical forms by its system of staff notation, in use since about the 11th century. Catholic monks developed the first forms of modern European musical notation in order to standardize liturgy throughout the worldwide Church. Western staff notation is used by composers to indicate to the performer the pitches and durations for a piece of music. It includes both sacred (religious) and secular music. In contrast to most popular styles that adopted the song (strophic) form or a derivation of this form, classical music has been noted for its development of highly sophisticated forms of instrumental music such as the symphony, concerto, fugue, sonata, and mixed vocal and instrumental styles such as opera, cantata, and mass.

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  1. dextercioby

    A CED: Solving the Full-blown Classical Electromagnetism Problem

    Is it me, or the overall problem in CED is not addressed anywhere? Statement of the problem: Let there be two massive electrically charged particles of invariant masses m1 and m2 and electric charges q1 and q2, respectively. They are free to move arbitrarily in Minkowski spacetime endowed with...
  2. M

    Looking for a numeric classical mechanics problem for project

    Homework Statement I was recently assigned an assignment where my instructor told us to come up with an idea for a numeric classical mechanics problem that is solved by computer methods. Some ideas the instructor gave was to simulate motion of a sun-earth-moon system or simulate the tides of a...
  3. durant35

    I Difference between atomic behavior in QM and classical physics

    I believe this question will be a no-brainer for many members. I want to conceptually grasp how do atoms (and molecules) behave using QM in contrast to the classical physics model. Now there's uncertainty principle and atoms don't have a fixed position and momentum, and that's fine, I know it's...
  4. J

    A Higgs Expectation Value with Classical vs Quantum Potential

    I'm having a hard time following the arguments of how the Higgs gives mass in the Standard Model. In particular, the textbook by Srednicki gives the Higgs potential as: $$V(\phi)=\frac{\lambda}{4}(\phi^\dagger \phi-\frac{1}{2}\nu^2)^2 $$ and states that because of this, $$\langle 0 | \phi(x)...
  5. A

    Can Classical Mechanics Calculate Time Dilation?

    Okay so I have a question about time dilation, kinetic energy and classical mechanics. My question is, if an object were traveling at very high relativistic speeds and experienced time dilation, would the time it experience and measure during the travels be equivalent to the travel time if it...
  6. Avatrin

    Classical Need a Supplement for Understanding Classical Mechanics?

    Hi I need to relearn classical mechanics. More specifically, I need to relearn everything in this PDF: http://www.springer.com/cda/content/document/cda_downloaddocument/9783319195957-t1.pdf?SGWID=0-0-45-1509999-p177402416 However, since I have taken this course before, I want to be a little...
  7. sciencejournalist00

    The difference between classical and quantum correlations

    I believe it is an important topic for us to learn about. There are frequent mistakes, people confuse many times classical correlations with quantum entanglement on their blogs and forums and only peer-reviewed papers give the true answers. Classical correlations exist between the quanta of a...
  8. Brahmajala

    Classical Mechanics: Understanding Calculus & Linear Algebra Use

    So hi everyone, I'm a freshman in Physics and in a couple weeks I'm going to start my second semester, with Chemistry and two exams of Classical Mechanics (Theoretical and Practical). In our first semester we had Calculus, Linear Algebra and C Programming. Since our Calculus program went as far...
  9. lovelymusiclady

    Classical Mechanics Q: trajectory of q in B and E fields

    Hi all! I'm super lost on this homework question. I tried asking the professor but was kind of brushed to the side. My vector calculus knowledge is pretty limited (I had an unfortunately experience in that class). Anybody have any ideas on how to go about solving for this? It's a problem out of...
  10. H

    Why Are Old Textbooks Often More Durable Than Newer Ones?

    I got a copy through interlibrary loan. 1950 and it looks great. While the textbook I bought in 2012 for $60 has the pages all warped and turning yellow. They don't make 'em like they used to. I can buy a used hardcover copy of the first edition for $21. I might go for that. Some joker...
  11. A

    Classical channel vs quantum channel

    I have a hard time understanding what a channel that transmits classical information is in the framework of quantum information theory. My textbook says the following: Let P(ylx) be a classical channel defined by a conditional probability distribution. We define the corresponding quantum...
  12. A

    Best journal to publish a research in classical mechanics?

    I think I have an interesting thing to say on the foundation of classical mechanics and I wonder what would be the best journals to submit a work on that topic.
  13. bremsstrahlung

    How does the classical world emerge from the quantum world?

    Why do billiard balls does not pass through both the slits at once or tunnel through walls while electrons and photons do? Quantum phenomena are observed at room temperatures so how does decoherence theory account for such phenomena? I think only Caslav Brukner and Johannes Kofler have seriously...
  14. M

    Does the Bohr model go against classical Electromagnetism

    I was told in high school that Rutherford's atomic model was wrong because an electron which is in acceleration must release energy. That's how electromagnetic waves are made. and then I was told that Bohr gave his model and solved this problem. By making energy quantized. But what I really...
  15. Qturtle

    Quantization of classical strings - a beginner's question

    Hey all. I've started to read and watch lectures on string theory. usually everyone starts with a classical relativistic particle action, and then goes to a classical relativistic string action. after they finish with the classical string they start the quantization process. my question is...
  16. bananabandana

    Euler Lagrange Derivation (Taylor Series)

    Mod note: Moved from Homework section 1. Homework Statement Understand most of the derivation of the E-L just fine, but am confused about the fact that we can somehow Taylor expand ##L## in this way: $$ L\bigg[ y+\alpha\eta(x),y'+\alpha \eta^{'}(x),x\bigg] = L \bigg[ y, y',x\bigg] +...
  17. J

    From Classical to Quantum Mechanics

    What parts of Classical Mechanics must someone know before studying Quantum Mechanics in order to understand the former in all its glory? Thank you
  18. Andreol263

    Classical Classical Eletrodynamics, Jackson

    I've started reading the book on the title, but exists so fuzz here about this book and it's scared me a bit, I'm in the middle of chapter 2 right now, and nothing difficult appeared to me in this moment, what are the requeriments to read this book smothly until the end?
  19. REVIANNA

    Classical mechanics:effective spring const

    Homework Statement [/B] What is the effective spring constant for the system of the two springs, perfect pulley, and string shown on the left for it to be modeled by just one spring (constant keff) as shown on the right? Use only the variables k1 and k2 in your answer. The Attempt at a...
  20. P

    Classical Possible textbook for Classical Mechanics

    Hi, I was wondering what textbooks I should be looking at to learn classical mechanics. I have spent a lot of time looking, but none of the ones I found had what I was looking for. For example, one book would cover all basic concepts in classical mechanics, but then it wouldn't cover more...
  21. Lito

    Classical Mechanics - Statics - Mass and overhang

    Homework Statement A block of mass M is positioned underneath an overhang that makes an angle θ > 0 with the vertical. You apply a horizontal force of Mg on the block, as shown in the figure. Assume that the friction force between the block and the overhang is large enough to keep the block at...
  22. N

    Classical mechanics (find trajectory and kinetic energy)

    Homework Statement Given the force ## \vec{ F }(x) = (-12x + 6) \vec{i} ## ; find kinetic energy ## T## at the point ##x=2## and trajectory of a particle ## \vec{r}(t) ##, given that ## \vec{r}(t=0)=\vec{0}## and ##\dot{\vec{r}}(t=0)=\vec{0}## . 3. The Attempt at a Solution Since...
  23. REVIANNA

    Classical mechanics: Force versus time graph

    Homework Statement A particle of mass m=4.0 kg is moving along the x-axis. The particle is being acted upon by a variable single force F⃗ , directed along the x-axis. At t=0 s, the particle is moving at v_0=−3 m/s. What is the first time t>0 when the particle comes to a stop momentarily...
  24. REVIANNA

    Classical mechanics: Momentum and velocity

    A small block of mass m slides on a long horizontal table when it encounters a wedge of mass 2m and height h The wedge can also slide along the table. The mass slides up the wedge all the way to the top and then slides back down, never getting over the top. All surfaces are frictionless...
  25. B

    Classical A Good Supplement to Goldstein's Classical Mechanics

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  26. dwdoyle8854

    Classical Dynamics -- Falling chain and energy conservation

    Homework Statement The statement of the question is:A chain of uniform linear mass density ##\rho##, length ##b## and mass ##M## hands as shown in the figure below. At time t=0, the ends A and B are adjacent, but end B is released. Find the tension in the chain at point A after end B has...
  27. A

    Radiation reaction in the classical limit of QED?

    The classical problem of radiation reaction classical electrodynamics seems to be a huge mess with no good answer. There is no even consensus of the very form of the Newton law "predicted" theory. So, the question of this thread is: Does the classical limit of QED say something about this...
  28. Erkan Tur

    Projectile Motion - A classical mechanics problem

    In Matrix, Morpheus shows how to jump. He jumps easily, but Neo falls in his first jump. Morpheus’ jump takes 4 s and Neo’s fall takes 7 s. Distance between the buildings as L and height as h and consider that Neo falls at the middle of the distances, L/2. If both 1 of them know a bit of...
  29. REVIANNA

    Classical mechanics: Projectile Motion

    Homework Statement Two projectiles are launched simultaneously from the same point above the flat terrain. The initial speeds of the projectiles are the same. Each projectile’s velocity makes the same angle with the horizontal. However, projectile A is launched above the horizontal and...
  30. REVIANNA

    Classical mechanics: forces on a pendulum

    Homework Statement [/B] A simple pendulum is pulled sideways from the equilibrium position and then released. I figured this part out - Immediately after the pendulum is released, the net force acting on it is directed: it is perpendicular to the string (I REASONED THAT THE DIRECTION OF...
  31. LarryS

    Complex numbers sometimes *Required* in Classical Physics?

    In general, one thinks of complex numbers as being absolutely required in Quantum Physics but as being optional in Classical Physics. But what about modern classical electromagnetic field theory (gauge theory) in which the electromagnetic field is coupled to the field of charged particles by...
  32. J

    Dual Lorentz force for classical spin-orbit interaction?

    Electric and magnetic parts of Maxwell's equations are kind of similar, so physical effects relating these properties have many 'dual' analogues - with exchanged places. For example in Aharonov-Bohm effect, the phase of charged particle depends on side of magnetic flux tube it comes through...
  33. REVIANNA

    Classical mechanics : constant acceleration

    Homework Statement Two cyclists, Anant and Beth, are standing on a straight road a distance d=22.0 m apart. Simultaneously, they begin to move toward each other, Anant with acceleration a_A=0.2 m/s^2 and Beth with acceleration a_b=0.10 m/s^2. Just as they begin to move, a bee, sitting on...
  34. J

    Violation of Bell inequalities for classical fields?

    There is a recent article (Optics July 2015) claiming violation of Bell inequalities for classical fields: "Shifting the quantum-classical boundary: theory and experiment for statistically classical optical fields" https://www.osapublishing.org/optica/abstract.cfm?URI=optica-2-7-611...
  35. G

    Quantum Mechanics, Cart filling, + friction as it moves

    Homework Statement A cart roles down the track with an initial velocity vo. Because of falling rain, water starts filling the cart such that its mass increases linearly with time. The rain that has fallen on the track cause the wagon to experience a frictional force characterized with a...
  36. A

    Classical Prerequisites for Jackson's Classical Electrodynamics

    Hello, I have already studied Griffith's book, Intro to Electrodynamics. However when I try Jackson's book, I find it a bit hard for me. My question is, what Maths and Physics texts (or specifically, chapters of texts) do you recommend, so that I would be best prepared for a graduate course in...
  37. S

    Engineering Good Resources to learn Classical Thermodynamics

    Hi, I'm currently taking thermodynamics in second year mechanical engineering. I read previous threads on here about good textbooks, and everyone seemed to agree that Cengel's book is really good. Its the book we use in class, but at times I don't think it explains everything as fully as it...
  38. J

    Classical position/velocity probability

    Probability to find a particle in some region of space is inversely proportional to velocity particle has in that region of space. Let's say we have two cases: one particle has velocity given by v(t)=v0*Cos(w*t), and other by v(t)=v0-v1*Cos(w*t), (v0>v1). Since particle spends more time in...
  39. saybrook1

    Project Ideas for Graduate Classical Mechanics and Math Methods

    Hi guys - I was hoping people might have some topic ideas for a project I need to do in graduate classical mechanics as well as math methods. It needs to be a solution to an advanced problem or cover an advanced topic. I'm just looking for ideas that haven't been beaten to death. Any suggestion...
  40. K

    Computability in Classical Physics

    I was reading the book "Emperor's New Mind" by Roger Penrose which deals with understanding the nature of mind in the sense that it is algorithmic or not. In one of the chapters he explains that the deterministic world of the Newtonian Theory can still be non-computable. He explains this as...
  41. L

    Problem 2 rigid rods - Greenwood - Classical Dynamics

    From "Greenwood Donald T. - Classical Dynamics", Chapter 1, Section 1-4 (virtual work), Example 1-4: https://books.google.it/books?id=x7rj83I98yMC&lpg=PP1&hl=it&pg=PA26#v=onepage&q&f=false 1) There are 3 mass points of the same mass m moving on a plane (even if the text doesn't specify this)...
  42. H

    Classical Supplemental Questions for Classical Mechanics?

    Hello all I currently studying Classical Mechanics from Landau's Vol 1. The book is fantastic however, there are not many problems to do. Are there any good problem books that accompany the text well with solutions? Thanks
  43. B

    The atom as a classical object

    What is the consensus- Can the atom be considered a classical object if we managed to manipulate single atoms?
  44. T

    Classical Looking for a Rigorous Undergraduate Textbook on Classical Mechanics?

    Hi guys I'm searching for a good undergraduate physics textbook on classical mechanics that might has an intro to langranzians and Hamiltonians, that I could tackle right now. I'm actually getting through apostol calculus 1 (just reached partial derivatives). I want it to be hard to follow ,but...
  45. E

    Classical mechanics - hunter and monkey - frame of reference

    Hi, This might sound very basic and but i am just starting to learn physics. I an lecture by prof. walter lewin, he descibes the hunter and monkey scenario. The monkey jumps from the tree as soon as the hunter aims and shoot his gun. the bullet hits the monkey anyway. In calculating the time it...
  46. U

    State space vs classical control

    Hello, I have a fundamental question about why state space control techniques are superior to the classical methods. I l know that you can control a system with multiple inputs and outputs for several states using state space control, however, can't the same thing be done in classical control...
  47. T

    Exploring Early Classical Physics: The Water Pump Debate

    I read in the Britannica Encyclopedia yesterday that Rene Descartes rejected the idea that a water pump works because nature abhors a vacuum, and instead said that it works "by the weight of the water which counterbalances that of the air". I have an idea of the two contrary concepts opposed...
  48. B

    (Classical) electromagnetism on the web

    Hello. I am currently reading on electromagnetism in university. However, I feel that I sometimes get lost in the the math in an otherwise excellent book (Field and Wave Electromagnetics by David K. Cheng), so I would like to ask, if somebody knows a good, steady resource for understanding the...
  49. A

    Comparison between quantum entanglement and a classical version

    What I understood from Quantum Entanglement (QE), is that measuring the spin of one of two entangled particles in one location gives the spin of the other particle in other location no matter how far is the later. What I can also understand is that the same concept is applicable in the classical...
  50. M

    Classical mechanic transformation

    Hello everyone, I have a little problem with some transformation. I wonder how i can get that result. Can somebody explain it step by step? The " ' " means derivative. Thank you for your time ;)
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