Problem with Action-Reaction pairs and gravity
13068
Understanding Normal Force Change
63069
Why the Principle of Least Action?
132834
Trying to understand relativistic action of a massive point particle
9705
Sensitivity to initial conditions and topological transitivity
88658
Confusion regarding the principle of least action in Landau & Lifshitz "The Classical Theory of Fields"
42036
Why should an action integral be stationary? On what basis did Hamilton state this principle?
87259
Constraints of relativistic point particle in Hamiltonian mechanics
68906
Do the same equations of motion imply the same Lagrangians?
117420
Normal reaction - force without acceleration
79757
Why does the density matrix $\rho$ obey a wrong-signed Heisenberg equation of motion?
4789
Apparent Violation of Newton's $3^{\text{rd}}$ Law and the Conservation of Momentum (and Angular Momentum) For a Pair of Charged Particles
64190
Calculating gravity when taking into account the change of gravitational force
17121
Kinetic energy with respect to different reference frames
79822
Problems with partial derivatives.
90852
Does Action in Classical Mechanics have a Interpretation?
82256
Conservative central force and stable orbits
44282
How do I show that there exists variational/action principle for a given classical system?