Relativistic momentum and mass
55971
Why does the (relativistic) mass of an object increase when its speed approaches that of light?
87877
Angular Momentum Conservation in Gravitational Interaction
44342
Negative Mass and gravitation
23729
Four-velocity in General-relativistic geodesic equation
110266
Quarks in a hadron: where does the mass come from?
74211
Protons and Neutrons Overshoot Actual Mass?
87598
Can we define the effective mass or the moving mass of a photon?
102564
Energy-momentum tensor transformation
152110
How does $p\cdot u$ relate to observed energy and momentum for a massive particle?
141128
Action of a massive free point-particle in relativistic mechanics
37326
Angular momentum with respect to the centre of mass
53455
Relativistic speed/energy relation. Is this correct?
80719
What defines the mass of elementary particle?
54537
Special Relativity - Reference Frames $S$ and $S'$
73660
Relativistic Doppler effect derivation
22205
What is the weight equation through general relativity?
125081
What is the reasoning that leads one to postulate this second form for the relativistic particle action?