18 Apr
2016
18 Apr
'16
1:08 p.m.
On 4/18/16, Warren D Smith <warren.wds@gmail.com> wrote:
The conditions for stability ... If object rests on 2 points A,B (or line segment AB) then the center of mass must be vertically above the line segment, and the max radius of curvature of the surface at the contact points in directions perp to the line AB, must exceed the distance to the center of mass.
--sorry, I think I got it right in the 3 and 1 point cases, but wrong in the case with 2 points of contact (or line contact). The problem is a generic object will roll in the fashion of a cone, not a cylinder. -- Warren D. Smith http://RangeVoting.org <-- add your endorsement (by clicking "endorse" as 1st step)