what are the relativistic/cosmological implications on a long rigid body?
23243
Extended Rigid Bodies in Special Relativity
17121
Kinetic energy with respect to different reference frames
136948
Why is the center of mass frame always used in rigid body dynamics?
88019
How can mass affect spacetime?
80291
Relativistic velocity addition from time dilation
95763
Elastic modulii of spacetime
83672
Time dilation in a gravitational field and the equivalence principle
97246
Can gravity be interpreted as the acceleration of spacetime towards an object?
123854
Would time speed up near a large body of negative mass relative to observers in micro gravity?
30392
Time taken for object in space to fall to earth
20440
The reference frame of $c$
111892
Cancelling special & general relativistic effects
44566
Is (rest) mass conserved in special relativity?
154112
How does Newtonian gravitation conflict with special relativity?
57817
When objects fall along geodesic paths of curved space-time, why is there no force acting on them?
9600
Near Earth vs Newtonian gravitational potential
127479
Is there any true inertial reference frame in the universe?