Answer #96
The answer is (d): none of the positions will change when Gwen releases
them. The position will be stable when any object is supported at its
center of mass, as seen by comparing the pictures below where Gwen is
holding the disc section with those where she is not.
Archive 5
Question of the Week
Outreach Index Page
Lecture-Demonstration Home Page


For questions and comments regarding the Question of the
Week contact
Dr. Richard
E. Berg by e-mail or using phone number or regular mail address
given on the Lecture-Demonstration Home
Page.