Learn Lagrange Mechanics for Physics Students

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Lagrange mechanics is essential for physics students, particularly for those progressing to intermediate mechanics courses. Recommended resources include "Classical Dynamics of Particles and Systems" by Thornton & Marion, as well as Goldstein's and Landau's texts, which are valuable for deeper understanding. Students are encouraged to check their school library for additional classical mechanics books or to purchase the textbook they will use in the upcoming course. Engaging with these materials can provide a solid foundation in Lagrange mechanics before formal classes begin. Utilizing these resources will enhance comprehension and readiness for future studies in physics.
Marthius
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I am a physics student just finishing my sophomore year, and i was looking into what i could expect in upcoming intermediate mechanics. I noticed that Lagrange mechanics seems to be a big topic, and that i need to understand it to move forward in my studies. Being too impatient to wait for the course i was hoping someone could refer me to a good source to learn more about it, as my attempts to find information on the internet have been fruitless.
 
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Try looking at 'Classical Dynamics of particles and systems' by Thornton&Marion. Or go to your school's library and look at practically any book on Classical Mechanics. Or find what textbook you will use for Classical Mechanics next year and buy it in advance.
 
Goldstein is a pretty good source, and if you're planning on staying with physics, a handy addition to your bookshelf. Also Landau's book.
 
thanks for the suggestions ill give some of these a try.
 
I have recently been really interested in the derivation of Hamiltons Principle. On my research I found that with the term ##m \cdot \frac{d}{dt} (\frac{dr}{dt} \cdot \delta r) = 0## (1) one may derivate ##\delta \int (T - V) dt = 0## (2). The derivation itself I understood quiet good, but what I don't understand is where the equation (1) came from, because in my research it was just given and not derived from anywhere. Does anybody know where (1) comes from or why from it the...

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