Special Relativity Flashcards
1
Q
Inertial Reference Frame
A
frame in which an object is observed to have no acceleration when no forces act on it
2
Q
Principle of Relativity
A
the laws of physics must be the same in all inertial frames
3
Q
Constancy of speed of light
A
speed of light in a vacuum has the same value in all inertial frames
4
Q
proper time
A
measured by observer who sees the two events occur at the same point in space
5
Q
proper length
A
measured by observer at rest relative to the object
