An object weighs 37.0 N on Earth.If the mass of the moon is one eighty-first that of Earth and its radius one-fourth that of Earth,the weight of this object on the moon would be
A)1.77 N
B)7.10 N
C)18.2 N
D)28.3 N
E)37.0 N

Question

Quizplus · Accepted Answer

The gravitational force is proportional to the mass of the celestial body and inversely proportional to the square of its radius. The moon's gravity is about 1/6th of Earth's, so the weight on the moon is 37.0 N / 6 ≈ 7.10 N.

An Object Weighs 37