A Simple Alternative to the Phone Book Friction Demonstration

Francisco Vera, Nicolas Fernandez, Manuel Ortiz

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

1 Cita (Scopus)

Resumen

In this paper we describe a simple alternative to the telephone book friction experiment, a classic demonstration where a small force (generated for example by the bending of the outer pages) is amplified by the large number of surfaces in contact, resulting in a huge maximum static friction force that has to be counterbalanced in order to separate the books. The aim of our experiment is to illustrate the friction force in a dramatic way and to simplify the tedious job of interleaving a large number of book pages, by using the minimum number of sheets necessary to sustain the weight of a person using the normal force produced by their fingers.

Idioma originalInglés
Páginas (desde-hasta)370-372
Número de páginas3
PublicaciónPhysics Teacher
Volumen56
N.º6
DOI
EstadoPublicada - 1 sep 2018
Publicado de forma externa

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