Problem M. 449. (April 2026)

M. 449. Construct a torsion pendulum from a mason jar by suspending it vertically with two parallel threads. (The threads should each be 1  metre long, and their spacing should be equal to the diameter of the jar's opening. They can be secured with the screw cap.) Measure the period of the torsion pendulum as a function of the amount of granulated sugar poured into the jar!

(6 pont)

Deadline expired on May 15, 2026.

Statistics:

12 students sent a solution.
6 points:	Hegedüs Márk, József Áron, Patócs 420 Péter, Winhoffer Júlia.
5 points:	Sőtér Jázmin Sára.
4 points:	2 students.
1 point:	1 student.
0 point:	1 student.

Problems in Physics of KöMaL, April 2026