Alpha exercise homepage › Forums › the double ring › Alpha exercise This topic has 0 replies, 1 voice, and was last updated 5 years, 7 months ago by IvoCools. Viewing 1 post (of 1 total) Author Posts February 25, 2018 at 12:54 pm #795 Score: 0 IvoCoolsParticipant alpha > 0 => theta = 0, parallel to z axis alpha = 0 => doesn’t matter whatsoever alpha < 0 => theta = pi/2, parallel to x-y plane Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In