Mathematical and Physical Journal
for High Schools
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Problem P. 4006. (October 2007)

P. 4006. The two ends of a uniform thin rod of length 2l and of mass m can move without friction along a circular path of radius R. The rod is released from the vertical position.

Find the force exerted by the ends of the rod on the path when the rod passes the horizontal position.

(5 pont)

Deadline expired on November 12, 2007.


Statistics:

88 students sent a solution.
5 points:Almási 270 Gábor András, Bartha Zsolt, Csengeri Béla, Deák Zsolt, Filep Tibor, Fonyó Dávid, Gaál Alexisz Tamás, Gulyás Máté, Harsányi Szabolcs, Hartstein Máté, Hegyi Ádám, Iván Dávid, Krämer Zsolt, Lovas Lia Izabella, Marák Károly, Nagy Loránd, Pásztor Ádám Viktor, Pázmán Koppány, Rárósi Dávid, Szük Dániel, Tolner Ferenc, Tószegi Károly, Túri Attila.
4 points:Barancsuk Lilla, Blázsik Zoltán, Bruncsics Bence, Egyed Zsombor, Földes Imre, Herendi Borbála, Hlatky Dávid, Hofecker Andor, Kalina Kende, Kispéter Tamás, Kovács 235 Gábor, Marsal Béla, Nagy 648 Donát, Patartics Bálint, Subhrashis Guha Niyogi, Tóth 123 László, Trényi Róbert, Ungváry Botond Dénes.
3 points:8 students.
2 points:11 students.
1 point:21 students.
0 point:6 students.
Unfair, not evaluated:1 solution.

Problems in Physics of KöMaL, October 2007