Your class is rather unhappy with the instructor, and they pitch in and decide to fund a sabbatical for him to go to Mars. Unbeknownst to the students the following semester, the instructor has made long distance course arrangements so the "show can go on". The instructor begins talking about mass, weight and related things. He correctly makes which following statement:
A) his mass is still essentially unchanged but his weight is less than on earth.
B) his weight is still essentially unchanged but his mass is less than on earth.
C) neither his weight nor his mass have changed much.
D) his weight and mass have both changed significantly.

Question

Quizplus · Accepted Answer

Mass is a measure of the amount of matter in an object and does not change with location. Weight, however, is the force exerted by gravity on an object and varies with the gravitational pull of the celestial body. Mars has a lower gravitational pull than Earth, so the instructor's weight would be less on Mars, but his mass would remain the same.

Your Class Is Rather Unhappy with the Instructor, and They