Forum Post: (1) trigger an action when lines touch; (2) position on a path

I am new to Activinspire. I would like to trigger an action, such as revealing a "Correct" box, if a student slides a vertical line into the right place on a number line. Is this possible in Activinspire 1.7? Is it possible to trigger more than one action when an object is touched or clicked?

When motion of an object is restricted to a path, for example, a circle to a line, the circle object sits in the middle of the path. Can the circle object be put on top of or below the linear path?  (I see how this can be done with invisible lines.)

Thanks for any help,

-p