You are a passenger on a spaceship. As the speed of the spaceship increases, you would observe
A) your mass increasing.
B) your mass decreasing.
C) your mass varying erratically.
D) nothing unusual about your mass.

Question

Quizplus · Accepted Answer

As the speed of the spaceship increases, the passenger's mass will not change. Mass is a fundamental property of an object and is not affected by its motion.

You Are a Passenger on a Spaceship