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Classical mechanics discusses the behaviour of macroscopic bodies under the influence of forces (without necessarily specifying the origin of these forces). If it's possible, USE MORE SPECIFIC TAGS like [newtonian-mechanics], [lagrangian-formalism], and [hamiltonian-formalism].

6 votes
2 answers
701 views

Contradiction between Lagrangian and Hamiltonian formalism

I am currently studying an introductory course to theoretical physics. I stumbled upon something I can't seem to understand, namely: Suppose that we have a system without any potential energy, and thu …
0 votes
2 answers
61 views

Arguments of specific Hamiltonian, always conserved?

I'm studying an introductory course in theoretical physics, I stumbled upon something I really can't understand. So, in my book there is written the following statment: Consider a Hamiltonian system …
1 vote
1 answer
249 views

Particles connected with spring, sliding over lines. Question about the potential energy

I'm currently studying small oscillations with the Lagrangian formalism. I stumbled upon an exercise that I can't seem to understand the method of solving it. Two particles $P_1$ and $P_2$, with the …