If you shine a flashlight "horizontally" from one wall to an opposite wall inside an accelerating spaceship in deep space, you will see the light traveling
A)in a straight-line path.
B)in a parabolic path.
C)along the arc of a circle.

Question

Quizplus · Accepted Answer

In an accelerating spaceship, the effects of acceleration mimic those of gravity due to the equivalence principle. Therefore, to an observer inside the spaceship, the path of the light will appear to bend downwards in a parabolic path, similar to how a projectile on Earth would travel under the influence of gravity.

If You Shine a Flashlight "Horizontally" from One Wall to an Opposite