why does a change in velocity cause length contraction, mass gain and the slow down of time?
126447
How does velocity cause time dilation?
137061
Understanding the different kinds of mass in gravity
123571
A change in the gravitational law
45763
Minkowski diagram and length contraction
142441
If rest mass does not change with $v$ then why is infinite energy required to accelerate an object to the speed of light?
149780
Force as change in momentum vs. change in velocity
75259
Why is velocity squared in kinetic energy?
137951
What changes occur while an atom approches the speed of light?
751
What is the real meaning of length contraction?
58085
Gravitational Length Contraction
39989
Is gravitational time dilation different from other forms of time dilation?
83532
Confusion I have regarding Einstein's 1905 derivation of LT
88019
How can mass affect spacetime?
91265
Has the speed of light changed over time?
40618
Does kinetic friction increase as speed increases?
94615
Is the change in kinetic energy of a particle frame independent?
63925
Gravitational time dilation, does time of the observer at a lower gravitational potential looked slowed down in the frame of the higher one