Deriving effective potential energy from the Lagrangian of a two-body system
17414
Lagrangian of an effective potential
22934
Validity of work-energy theorem in presence of non-conservative forces?
85094
A problem from Evans' PDEs book: find a Lagrangian for a given Euler-Lagrange equation
82166
How are constraint forces represented in Lagrangian mechanics?
30992
How do you determine the Lagrangian?
53434
Units in gravitational $N$ body simulations
79094
Perturbation expansion with path integrals
51601
Double counting potentials in $N$-Body Problem?
77796
Why is the potential energy minimal when the repulsion and attraction force between molecules is 0?
76423
Why is the total energy of an orbiting system negative?
62692
Retrieving Maxwell's equations from the minimum action principle
38613
Intuitive understanding of the elements in the stress-energy tensor
34788
Lagrangian for relativistic massless point particle
146853
Do we need inertial frames in Lagrangian mechanics?
99789
Beyond Hamiltonian and Lagrangian mechanics
138350
Correct formula for Mass Defect / Binding Energy?
150081
Deriving Lagrangian density for electromagnetic field