Physical quantities and physical dimensions are among the first concepts encountered by students in their undergraduate career. In this pedagogical review, I will start from these concepts and, using the powerful tool of dimensional analysis, I will embark in a journey through various branches of physics, from basic mechanics to quantum gravity. I will also discuss a little bit about the fundamental constants of Nature, the so-called "cube of Physics", and the natural system of units.
Grandezas físicas e análise dimensional: da mecânica à gravidade quântica / Trancanelli, Diego. - In: REVISTA BRASILEIRA DE ENSINO DE FÍSICA. - ISSN 1806-1117. - 38:2(2016), pp. e2505-1-e2505-12. [10.1590/1806-9126-RBEF-2015-0003]
Grandezas físicas e análise dimensional: da mecânica à gravidade quântica
Trancanelli, Diego
2016
Abstract
Physical quantities and physical dimensions are among the first concepts encountered by students in their undergraduate career. In this pedagogical review, I will start from these concepts and, using the powerful tool of dimensional analysis, I will embark in a journey through various branches of physics, from basic mechanics to quantum gravity. I will also discuss a little bit about the fundamental constants of Nature, the so-called "cube of Physics", and the natural system of units.
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