How is Lagrangian Mechanics useful?
63069
Why the Principle of Least Action?
83580
What's the point of Hamiltonian mechanics?
126991
Prerequisites for classical mechanics by Susskind
155492
Exercise on local and global symmetry for a given Lagrangian density
105751
Why use coherent state path integral? What is its motivation or goal?
21125
Why does Bernoulli's principle work?
22934
Validity of work-energy theorem in presence of non-conservative forces?
11358
Eigenvalues of the Lagrangian?
17414
Lagrangian of an effective potential
57051
Why does Quantum Field Theory use Lagrangians rather than Hamiltonians?
111611
When can we add a total time derivative of $f(q, \dot{q}, t)$ to a Lagrangian?
23518
How are the Lagrange points determined?
38538
Euler's equations of rigid body motion from least action principle
141128
Action of a massive free point-particle in relativistic mechanics
27016
Is the Lagrangian density a functional or a function?
129242
Is temperature a Lagrange multiplier of energy?
35041
What is the difference between Newtonian and Lagrangian mechanics in a nutshell?