Suppose the room in which you are sitting was magically transported off Earth,and sent accelerating through the universe at 9.8 m/s² Assuming your doors and windows are sealed and closed,how could you tell that you'd left Earth?
A)You would weigh more than you do on Earth.
B)You couldn't-the equivalence principle tells us that you won't be able to tell the difference.
C)Your time would run slower than it does on Earth.
D)You'd hear a loud whooshing sound as you careened through space.

Question

Quizplus · Accepted Answer

According to the equivalence principle, there is no way to distinguish between the force of gravity and the force felt by an observer in an accelerating reference frame. Therefore, if the room is accelerating through the universe at 9.8 m/s², the observer inside would not be able to tell if they had left Earth or if they were simply experiencing a strong gravitational force.

Suppose the Room in Which You Are Sitting Was Magically