If the Sun were twice as massive,
A)its pull on Earth would double.
B)the pull of Earth on the Sun would double.
C)both A and B
D)neither A nor B

Question

Quizplus · Accepted Answer

According to Newton's law of universal gravitation, the force between two masses is directly proportional to the product of their masses. Therefore, if the Sun's mass were doubled, both the Sun's pull on Earth and Earth's pull on the Sun would double.

If the Sun Were Twice as Massive