Process of Science: The equivalence principle is a fundamental assumption of general relativity and cannot be experimentally tested.

Question

Quizplus · Accepted Answer

The equivalence principle is a fundamental assumption of general relativity and cannot be experimentally tested because it is a statement about the equivalence of inertial and gravitational mass. This equivalence cannot be tested directly, but it can be indirectly tested by observing the effects of gravity on objects.

Process of Science: the Equivalence Principle Is a Fundamental Assumption