p0loomocalicih p0loomocalicih

20-09-2016
French

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qual e a origem da força de atrito entre duas superfícies em contato

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lanechavez13 lanechavez13

21-09-2016

A origem do atrito, está no contato entre duas superficies. Apesar de duas superficies parecerem super lisas e polidas, microscopicamente, há falhas na sua superficie. Quando duas superficies estao em contato, essas falhas produzem o atrito.

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