Constructing Tangent Circles for an S-Shaped Design

[Physs]

Im a 2nd year student and really really confusing for us this things...

 

[Studiot]

Hello physs and welcome to Physics Forums.

Perhaps if you were to explain your difficulty someone could help.

Did you really want to post in this old thread?

 

[micromass]

Please start a new thread if you have a question.