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Vzmetenje koles in energijske pretvorbe pri kolesarjenju : magistrsko delo
ID Šega, Sara (Author), ID Čepič, Mojca (Mentor) More about this mentor... This link opens in a new window

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Abstract
Kolesarjenje je eden izmed športov, s katerim se ukvarja vse več ljudi. Vpliva na več področij našega življena, tako na motorične in funkcionalne sposobnosti posameznika kot na telesno in duševno zdravje. Poleg tega pa predstavlja stik z naravo in druženje. Poleg cestnega kolesarjenja se vse več posameznikov odloča za gorsko kolesarstvo. Med obema vrstama kolesarjenja je kar nekaj razlik. Pri obeh vrstah kolesarjenja pa lahko opazujemo različne dejavnike, ki vplivajo na kolesarjenje med samim kolesarjenjem, in njihove posledice. Med tem ko so se prva kolesa v Sloveniji pojavila okoli leta 1880, se o gorskem kolesarstvu začne govoriti šele v začetku sedemdesetih let prejšnjega stoletja. Prvo kolo, ki so ga poimenovali gorsko kolo, je bilo sestavljeno leta 1977. Poleg samega pojava gorskega kolesarstva pa se ta od cestnega razlikuje tudi glede vrste koles in terena vožnje. V sklopu magistrske naloge sem se posvetila predvsem gorskemu kolesarstvu. Pri tej vrsti kolesarjenja se uporabljata dva tipa koles, kolo brez zadnjega vzmetenja, ta kolesa so običajno lažja, in polno vzmeteno kolo, ki ima odličen oprijem s podlago in je posledično tudi vožnja udobnejša. Preverila sem ali je vožnja po neravni cesti za kolesarja na vzmetenem kolesu manj naporna kot na kolesu brez vzmetenja. V ta namen je bila opravljena tudi eksperimentalna primerjava pospeškov pri obeh kolesih. V eksperimentu je kolesar vozil obe vrsti koles. Eksperiment je lahko podlaga za razvoj metodologije za spremljanje dogajanja pri vožnji kolesa preko ovir. Poleg tega je opravljena analiza vožnje na konkretnem primeru in vpliva na pospešek. Ta konkretni primer se lahko uporabi tudi kot nazorni primer pri poučevanju fizike v sklopu energijskih pretvorb.

Language:Slovenian
Keywords:gorsko kolesarstvo, pospešek, hitrost, polno vzmeteno kolo, kolo brez zadnjega vzmetenja
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:PEF - Faculty of Education
Place of publishing:Ljubljana
Publisher:S. Šega
Year:2024
Number of pages:45 str.
PID:20.500.12556/RUL-153541 This link opens in a new window
UDC:53:629.373.1(043.2)
DOI:20.500.12556/RUL-153541 This link opens in a new window
COBISS.SI-ID:180893699 This link opens in a new window
Publication date in RUL:13.01.2024
Views:637
Downloads:71
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Secondary language

Language:English
Title:Bicycle Suspension and Energy Conversion in Cycling
Abstract:
Cycling is gaining its popularity, with growing number of individuals participating in the sport. It influences various aspects of our lives, impacting not only individuals’ motor and functional abilities but also physical and mental well-being. Moreover, it fosters a connection with nature and social interaction. In addition to road cycling, an increasing number of individuals are embracing the mountain biking. Despite distinctions between these two cycling disciplines, it is noteworthy to observe different factors that influence cycling during the activity and their consequences in both disciplines. Bicycles first appeared in Slovenia around 1880, but discussions about mountain biking did not start until the early 1970s. The first mountain bike was put together in 1977 and given that name. Mountain biking is different from road cycling in terms of bike type and terrain. My master’s thesis primarily focuses on mountain biking. In this cycling discipline, two types of bikes are used: bikes without rear suspension, which are usually lighter, and full-suspension bikes, which have excellent traction with the ground and, as a result, provide a more comfortable ride. I examined whether riding on a bumpy road is less strenuous for a cyclist on a full-suspension bike compared to a bike without rear suspension. For this purpose, an experimental comparison of accelerations was also conducted with both types of bikes. In the experiment, the cyclist rode both types of bikes. This experiment can serve as a basis for the development of a methodology for monitoring cycling performance over obstacles. In addition, an analysis of riding in a specific case and their impact on acceleration was conducted. This specific case can also be used as an illustrative example in teaching physics related to energy conversions.

Keywords:mountain cycling, acceleration, velocity, full suspension bike, bike without rear suspension

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