If you shine a flashlight from one wall to an opposite wall inside a spaceship drifting without acceleration far from gravitational influences, the beam of light will travel
A)in a straight-line path.
B)in a parabolic path.
C)along the arc of a circle.

Question

Quizplus · Accepted Answer

In the absence of acceleration and gravitational influence, the law of motion dictates that an object (in this case, the beam of light) will continue to move in a straight line with constant velocity. Therefore, the beam of light will travel in a straight-line path from one wall to the opposite wall of the spaceship.

If You Shine a Flashlight from One Wall to an Opposite