The weight of a body above the surface of the earth is inversely proportional to the square of its distance from the center of the earth. What is the effect on the weight when the distance is multiplied by 2?
A) The weight is divided by 2.
B) The weight is multiplied by 4.
C) The weight is divided by 4.
D) The weight is multiplied by 2.

Question

Quizplus · Accepted Answer

Since weight is inversely proportional to the square of the distance, doubling the distance results in the weight being divided by $2^2 = 4$.

The Weight of a Body Above the Surface of the Earth