Lagrangian, metric and geodesics: obtention of equation of motion in GR
68813
Geodesic Equation from variation: Is the squared lagrangian equivalent?
85100
Constant $g$ acceleration from astronaut's frame of reference
70257
Inverse metric in linearised gravity
118815
What makes matter travel along geodesics?
132911
Determining if there can be smooth closed geodesic given its curvature
63402
Euler-Lagrange equation in curved spacetime: how to calculate $\partial \mathcal{L}/\partial(\nabla_\nu A_\mu)$?
30992
How do you determine the Lagrangian?
22873
Integrating radial free fall in Newtonian gravity
100315
What is the null geodesic equation?
34312
Mathematically-oriented Treatment of General Relativity
123026
Rigid motion on $\mathbb{R}^2$ which fixes the origin is linear
120538
Newton's First Law of Motion; Empirical Aspects
27652
metric on the Euclidean Group
52316
Geodesics and Curves on a Plane
90110
Hyperbolic metric geodesically complete
65478
Operational definitions in Newtonian Physics
105572
Independent Variables of a Lagrangian