Conflict of domain and endpoints in Noether's theorem and energy conservation
18564
Why is the symmetry variation $\delta_s q$ different from the ordinary variation $\delta q$?
145073
When to use Conservation of Energy vs Conservation of Momentum
54898
Does Noether's theorem also give rise to quantities conserved over space?
45283
Why don't virtual particles violate conservation of mass/energy?
131167
Kinetic energy of the object, but Potential energy of the system: Why is it so?
60751
General relativity and the conservation of momentum
64727
Total time derivatives and partial coordinate derivatives in classical mechanics
65659
Partial derivative paradox
4143
How can momentum but not energy be conserved in an inelastic collision?
3603
Lagrangian and Hamiltonian EOM with dissipative force
145055
Noether's current expression in Peskin and Schroeder
77837
The converse of Newton's shell theorem
18144
Does a nonzero Poynting vector mean that there is propagation of energy?
4421
Proof that total derivative is the only function that can be added to Lagrangian without changing the EOM
139419
Problem on the domain of the solution of a differential equation
46593
Upper limits for jerk and higher derivatives in physics
142892
Lagrangian Mechanics - Commutativity Rule $\frac{d}{dt}\delta q=\delta \frac{dq}{dt} $