add notion of translation for first screw

[challenge-bot] / curriculum / challenge-bot.scm

diff --git a/curriculum/challenge-bot.scm b/curriculum/challenge-bot.scm
index 1c8d841fa66a24d25e11deae9e8074cbe4caa3b6..32b3020dfa4121be5eff3acc975b8cd0b9df8396 100644 (file)
--- a/curriculum/challenge-bot.scm
+++ b/curriculum/challenge-bot.scm
@@ -248,8 +248,9 @@
      :title [arduino board move relative to deck]
      (p [without any screws, the arduino board can move independently of
                  the deck.
+                 it can translate and rotate freely.
                  with the first screw, the arduino can rotate around one
-                 point on the deck.])))
+                 point on the deck and can no longer translate much.])))
    (subsection
     :title [third and fourth hole and screw]))
   (section