Three faces of a cube of side L are removed,therefore,it has three faces in xy,xz,and yz planes.The center of mass of the system relative to the origin,where the three remaining faces meet,is
A)x = y = z = L/3.
B)x = y = z = L/2.
C)x = y = z = 2L/3.
D)x = y = z = 2L/5.

Question

Quizplus · Accepted Answer

The center of mass of the system is at the centroid of the remaining three faces, which is at a distance of L/3 from each of the three faces.

Three Faces of a Cube of Side L Are Removed,therefore,it