What Does the Equivalence Principle Say

question 20

Multiple Choice

What does the equivalence principle say?

• A)Gravity is the same thing as curvature of spacetime.
• B)The effects of gravity are exactly equivalent to the effects of acceleration.
• C)You cannot distinguish between motion at constant velocity and weight in a gravitational field.
• D)The effects of relativity are exactly equivalent to those predicted by Newton's laws of motion.
• E)All observers must always measure the same (equivalent)weights for moving objects.

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