According to the principle of equivalence, observations made of falling objects at Galileo's Leaning Tower of Pisa are indistinguishable from observations made in
A)a spaceship orbiting in a gravitational field.
B)a spaceship accelerating at g in deep space.
C)any uniformly moving reference frame.
D)all of the above
E)none of the above

Question

Quizplus · Accepted Answer

The principle of equivalence, as proposed by Einstein, suggests that the effects of gravity are indistinguishable from the effects of acceleration. Therefore, observations made of falling objects in a gravitational field (like those at the Leaning Tower of Pisa) would be indistinguishable from observations made in a spaceship accelerating at 9.8 m/s^2 (g) in deep space, where there is no gravitational field. This principle is a cornerstone of general relativity.

According to the Principle of Equivalence, Observations Made of Falling