Balancing Act

Algebra Level 1

The above shows how a mobile will be balanced when left to hang. Assume that the fulcrum is at the center of each rod.

What are the relative weights of these shapes?

Rectangle > Triangle > Circle Rectangle > Circle > Triangle Circle > Rectangle > Triangle Triangle > Rectangle > Circle Circle > Triangle > Rectangle Triangle > Circle > Rectangle

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 6 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.