Mathematical and Physical Journal
for High Schools
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# Problem G. 595. (February 2017)

G. 595. The mass of the load hanging on a wire rope, attached to the crab of a bridge crane (hoist trolley) is 500 kg. The trolley is moving horizontally at an acceleration of $\displaystyle 0.1~{\rm m/s}^2$.

What is the (constant) angle enclosed by the wire rope and the vertical?

(3 pont)

Deadline expired on March 10, 2017.

Sorry, the solution is available only in Hungarian. Google translation

Megoldás. $\displaystyle {\tg}\,\alpha=\frac{a}{g}=0{,}01; \qquad \alpha= 0{,}58^\circ$.

### Statistics:

 35 students sent a solution. 3 points: Bálint Boglárka Eszter, Békési Péter, Bottlik Domonkos, Csóti Kristóf, Czett Mátyás, Fecske Benjámin, Fekete András Albert, Fialovszky Márk, Földesi András, Földvári Ádám, Garamvölgyi István Attila, Geretovszky Anna, Holányi Zsófia, Horváth 999 Anikó, Kocsmár Martin, Kozák 023 Áron, Kozmér Barbara, Marozsák Tádé, Pácsonyi Péter, Rozgonyi Gergely, Rusvai Miklós, Šárai Krisztina, Szabó 314 László, Szakáll Lili, Szalai 623 Bence, Takács Árpád, Túri Zoltán, Urszuly Csenge, Veres Kristóf, Vincze Lilla, Virág Levente. 2 points: Lengyel Barbara, Merkl Levente, Tanner Norman. 1 point: 1 student.

Problems in Physics of KöMaL, February 2017