Documents Why do chairs sometimes wobble?

Points, Lines and Planes Why do chairs sometimes wobble? Have you ever noticed that a four legged chair sometimes wobbles, but a three- legged stool never wobbles? 1 Points,…

Documents Why do chairs sometimes wobble?

Points, Lines and Planes Why do chairs sometimes wobble? Have you ever noticed that a four legged chair sometimes wobbles, but a three- legged stool never wobbles? 1 Points,…