Thread: Rocky table
View Single Post
Old 2007-03-21, 13:01   #2
R.D. Silverman
 
R.D. Silverman's Avatar
 
Nov 2003

723210 Posts
Default

Quote:
Originally Posted by davieddy View Post
Since Mally has gone off in a huff, I shall put this teaser to you.

A four legged table typically rocks when placed on an unlevel floor.

However, with two simple assumptions, you can rectify the
problem by rotating the table through an angle <90 degrees.

How come? and what are the assumptions?

David
I can do better: ONE simple assumption:

The height of the floor at each point is uniformly random. [the interval
does not matter]
R.D. Silverman is offline   Reply With Quote