Problem P. 4164. (May 2009)
P. 4164. What is the reason that if a stick is put to one of our fingertips, it is easier to balance (to keep it in a vertical position) a longer stick than a shorter one?
Deadline expired on June 11, 2009.
|60 students sent a solution.|
|3 points:||52 students.|
|2 points:||3 students.|
|1 point:||3 students.|
|Unfair, not evaluated:||2 solutions.|