Inside an accelerating spaceship in deep space, a sideways-tossed ball will
A)curve as it would in a gravitational field equal to the spaceship's acceleration.
B)follow a straight-line path from one side of the interior to the other.
C)fall in a semi-circular path.

Question

Quizplus · Accepted Answer

According to the Equivalence Principle of General Relativity, an accelerating frame of reference is indistinguishable from a gravitational field. Therefore, the sideways-tossed ball would appear to curve as it would in a gravitational field equal to the spaceship's acceleration.

Inside an Accelerating Spaceship in Deep Space, a Sideways-Tossed Ball