Question

The mass of the moon is nearly 10% of the mass of the earth. What will be the gravitational force of the earth on the moon, in comparison to the gravitational force of the moon on the earth?

(a) Both of the force will be equal

(b) Gravitational force of the earth on the moon is much lesser

(c) Gravitational force of the moon on the earth is much lesser

(d) There is no effect

This question was posed to me in homework.

I need to ask this question from Mass and Density of the Earth in division Mechanical Properties of Solids of Engineering Physics I

Answer 1

The correct option is (a) Both of the force will be equal

Easiest explanation: If the mass of the moon is 10% of the mass of the earth, then the gravitational force of the earth on the moon will be equal in comparison with the gravitational force of the moon on earth. This is because the gravitational force between the two bodies id a mutual force.