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Stationary points of the rigid body kinetic energy and the principal axes of inertia


Labinac, Velimir; Jusup, Marko; Legović, Tarzan
Stationary points of the rigid body kinetic energy and the principal axes of inertia // American journal of physics, 81 (2013), 750-753 doi:10.1119/1.4816679 (međunarodna recenzija, članak, znanstveni)


Naslov
Stationary points of the rigid body kinetic energy and the principal axes of inertia

Autori
Labinac, Velimir ; Jusup, Marko ; Legović, Tarzan

Izvornik
American journal of physics (0002-9505) 81 (2013); 750-753

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Extrema; rotating kinetic energy

Sažetak
We demonstrate how searching for extrema of rotational kinetic energy introduces the idea of principal axes of inertia without resorting to complexities of linear algebra or advanced calculus. We provide a motivational starting point for discussion with students by considering the rotation of a thin plate at the level of an elementary physics course. A numerical example is provided to emphasize key ideas. To entice alternative ways of thinking, we also present how similar conclusions can be derived from the square of angular momentum. A generalized procedure, appropriate for a classical mechanics course, is outlined in the Appendix.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
098-0982934-2719 - Ekološko modeliranje za održivo upravljanje resursima (Tarzan Legović, )

Ustanove
Institut "Ruđer Bošković", Zagreb,
Sveučilište u Rijeci - Odjel za fiziku

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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