UN MODELLO MATERIALE DI NASTRO DI MOBIUS

Authors

  • Franco Eugeni Facolta' di Ingegneria - Terza Universita' di Roma
  • Fulvio Zuanni Facolta’ di Ingegneria - Universita' de L'Aquila

Abstract

Un nastro di Mòbius si costruisce a partire da una striscia di carta
rettangolare di lato "corto" h e lato "lungo" L. Fissato h si pone il problema
di trovare il minimo di L. Sperimentalmente si puo’ intuire che tale valore
minimo e‘ Lmin=h(sqrt(3)) , ma il dimostrarlo non e' banale ed accosta l'allievo
a problematiche che presentano i tre aspetti di analisi sperimentale.
formulazione del modello e risoluzione logico-deduttiva.

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Published

1996-02-18

Issue

Vol. 10 (1996)

Section

Volume 10-1996

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