The first postulate of special relativity states that ____.
A) observers can always detect their uniform motion relative to other objects
B) observers can never detect their uniform motion except relative to other objects
C) the speed of light is constant regardless of location
D) the speed of light in a vacuum is constant
E) energy equals mass multiplied by the speed of light, squared

Question

Quizplus · Accepted Answer

The first postulate of special relativity, also known as the principle of relativity, states that the laws of physics are the same in all inertial frames of reference, meaning observers cannot detect their uniform motion except relative to other objects.

The First Postulate of Special Relativity States That ____