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Gibanje pod vplivom močnega upora : diplomsko delo
Croselli, David (Author), Golli, Bojan (Mentor) More about this mentor... This link opens in a new window

URLURL - Presentation file, Visit http://pefprints.pef.uni-lj.si/id/eprint/2588 This link opens in a new window

Abstract
V diplomskem delu je predstavljena analiza videoposnetkov prostega pada in vodoravnega meta s pomočjo hitre kamere in programske opreme Tracker, s katero lahko preverjamo fizikalne zakone. Teoretično je obdelan kvadratni zakon upora, ki ga izpeljemo iz zastojnega tlaka. Teoretično določim, kako se lega in hitrost telesa časovno spreminjata, ko je le-to pri gibanju podvrženo sili upora. Pri praktičnem delu je prikazana analiza posnetkov prostega pada in vodoravnega meta, kjer sta opazovani telesi krogla in balon, ki se gibljeta v vodi oz. skozi zrak. Tako preverim, ali velja kvadratni zakon upora tudi za predmete, ki so v primerjavi z medijem lahki. V programskem jeziku Fortran zapišem računalniški program, ki s pomočjo iteracije reši diferencialno enačbo za dvodimenzijski problem vodoravnega meta.

Language:Slovenian
Keywords:prosti pad, videoposnetki
Work type:Bachelor thesis/paper (mb11)
Tipology:2.11 - Undergraduate Thesis
Organization:PEF - Faculty of Education
Year:2014
Publisher:[D. Croselli]
Number of pages:38 str.
UDC:531(043.2)
COBISS.SI-ID:10268745 Link is opened in a new window
Views:1232
Downloads:131
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Secondary language

Language:English
Title:Motion under the influence of large resistence
Abstract:
In the diploma thesis, the motion of free fall and the projectile motion have been recorded using a high-speed camera and analysed with the Tracker software, a suitable tool for checking physical laws. A theoretical description of the drag law, is given. The change in position and velocity of a projectile, subjected to a large drag force, are determined theoretically. In the practical part, the analysis of the video clip of the free fall and the projectile motion, where the object are a plastic sphere moving through water and a balloon moving trough air, are shown. With this experiment, I check whether the drag law applies even to objects which are relatively light compared to the medium through which they move. A computer program which solves differential equations with iteration, written in the Fortran programming language, is used for computing the two-dimensional projectile motion.


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