Publicação: Harmonical oscillator and electro-mechanical analogy: An interdiscinary experiment to high precision mass variation measurements
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In general, the traditional Physics courses needs examples of the aplications of the Physics concepts in other areas such as Chemistry and Biology. This lacks tend to demotivate Chemistry and Biology students regarding to deal with Physical concepts developed in classroom. In this work, the analogy among mechanic and electric oscillators is investigated to be applied in Chemistry and Biology areas, showing to be valuable due to its aplication in techniques that aims to measure mass variation with high precision. This measure could be made in a direct or indirect way. These techniques are known as electrogravimetric techniques and they are important in biosensor aplications. Thus, this paper explores the electromechanic analogy in an interdisciplinary way involving areas like Physics, Chemistry and Biology. Based on this analogy, it is proposed an experiment that can be applied in different ways, i.e. by an basic approach or more deeper, depending on the students specific formation, in other words, Physics, Chemistry or Biology.
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Block-spring oscillator, Electrogravimetry, Eletromechanical analogy, Piezoelectric oscillator, RLC oscillator
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Português
Como citar
Ecletica Quimica, v. 34, n. 3, p. 57-75, 2009.
