Physical motivation for Lagrangian formalism
63069
Why the Principle of Least Action?
98358
A variational problem with a lagrangian , what is the lagrangian?
74714
Motivation of Localization
82166
How are constraint forces represented in Lagrangian mechanics?
87259
Constraints of relativistic point particle in Hamiltonian mechanics
126142
Action principle, Lagrangian mechanics, Hamiltonian mechanics, and conservation laws when assuming Aristotelian mechanics $F=mv$
37598
Deriving the Lorentz force from velocity dependent potential
139552
Geometric intuition behind gradient, divergence and curl
27016
Is the Lagrangian density a functional or a function?
68813
Geodesic Equation from variation: Is the squared lagrangian equivalent?
19386
Geometric interpretation of Electromagnetism
13644
Is the change in the Lagrangian always a total derivative for symmetry transformations of the action?
57051
Why does Quantum Field Theory use Lagrangians rather than Hamiltonians?
41407
How to derive or justify the expressions of momentum operator and energy operator?
48068
Any good resources for Lagrangian and Hamiltonian Dynamics?
72721
Do an action and its Euler-Lagrange equations have the same symmetries?
126991
Prerequisites for classical mechanics by Susskind