15. Rotational Equilibrium
Center of Mass & Simple Balance
4PRACTICE PROBLEM
Four distinct spherical balls are connected by a glass rod (negligible mass) in the shape of a rectangle. The spherical balls are located at the vertices of the rectangle as shown in the figure. Determine the coordinates of the center of mass for this configuration.
![](https://lightcat-files.s3.amazonaws.com/problem_images/0c85048923d105b3-1680791092325.jpg)
Four distinct spherical balls are connected by a glass rod (negligible mass) in the shape of a rectangle. The spherical balls are located at the vertices of the rectangle as shown in the figure. Determine the coordinates of the center of mass for this configuration.