arXiv Open Access 2016

On the work of internal forces

Julio Guemez Manuel Fiolhais Lucilia Brito

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Abstrak

We discuss the role of the internal forces and how their work changes the energy of a system. We illustrate the contribution of the internal work to the variation of the system's energy, using a pure mechanical example, a thermodynamical system and an example from electromagnetism. We emphasize that internal energy variations related to the work of the internal forces should be pinpointed in the classroom and placed on the same footing as other internal energy variations such as those caused by temperature changes or by chemical reactions.

Topik & Kata Kunci

physics.ed-ph

Penulis (3)

Julio Guemez

Manuel Fiolhais

Lucilia Brito

Format Sitasi

APA MLA BibTeX

Guemez, J., Fiolhais, M., Brito, L. (2016). On the work of internal forces. https://arxiv.org/abs/1606.00354

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Informasi Jurnal

Tahun Terbit: 2016
Bahasa: en
Sumber Database: arXiv
Akses: Open Access ✓