Free Version
Difficult

# Center of Mass Circle

APPHMC-DWINGH

What is the center of mass of the object below?

The shape is uniformly dense.

All answers are stated with respect to the origin, which is at the center of the large sphere.

A

$(0,\cfrac { R }{ 2 } )$

B

$(0,\cfrac { R }{ 4 } )$

C

$(0,-\cfrac { R }{ 4 } )$

D

$(0,-\cfrac { R }{ 6 } )$

E

$(0,-\cfrac { R }{ 3 } )$