If the mass of Earth and all objects on it were suddenly doubled,the acceleration due to gravity at the surface would become 4 times what it is now.

Question

Quizplus · Accepted Answer

The acceleration due to gravity is determined by the mass of the Earth and the distance from the center of the Earth to the object. If both the mass of the Earth and all objects on it were doubled, but the distance from the center of the Earth to the surface stayed the same, the acceleration due to gravity at the surface would not change.

If the Mass of Earth and All Objects on It