The center of gravity of a circular disk of sheet metal is
A) midway between the center and the outside.
B) two-thirds of the way between the center and the outside.
C) at the center of the disk.
D) impossible to predict without knowing the metal density.

Question

Quizplus · Accepted Answer

The center of gravity of a symmetrical object like a circular disk is at its geometric center, regardless of the metal density.

The Center of Gravity of a Circular Disk of Sheet