mmassaro19
20.04.2020 •
Mathematics
Corpos eletricamente carregados estão sujeitos à atuação de forças elétricas. É possível eletrizar dois corpos por meio a realização de atrito entre diferentes materiais. Suponha que dois materiais foram atritados com uma flanela e, ao serem aproximados, verificou-se a existência de uma força repulsiva entre eles. Marque a alternativa que contém todas as possibilidades corretas: Escolha uma: a. Um corpo tem carga positiva enquanto o outro tem carga neutra, ou um corpo tem carga negativa enquanto o outro tem carga neutra. B. Ambos os corpos estão carregados com carga negativa, ou um corpo tem carga negativa e outro tem carga positiva. C. Ambos os corpos estão carregados com carga positiva, ou ambos os corpos estão carregados com cargas negativas. D. Ambos os corpos estão carregados com cargas positivas, ou um dos corpos tem carga positiva e outro tem carga negativa. E. Um corpo tem carga positiva e outro tem carga
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