Q. The mass of the moon is about 1.2% of the mass of the earth. Compared to the gravitational force the earth exerts on the moon, the gravitational force the moon exerts on earth
A) Is the same
B) Is smaller
C) Is greater
D) Varies with its phase
Explanation
(a) Force between earth and moon $F = \frac{Gm_{m}m_{e}}{r^{2}}$
This amount of force, both earth and moon will exert on each other $i.e.$ they exert same force on each other
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.