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ExercĂ­cios de classe 1. A respeito do conceito de ponto material, assinale certo ou errado.
I. Uma formiga pode, em qualquer circunstância, ser considerada um ponto material.
II. Um elefante nunca pode ser considerada um ponto material.
III. Dependendo da situação, um trem com 200 m de comprimento pode ser conside
um ponto material.​

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ExercĂ­cios de classe 1. A respeito do conceito de ponto material, assinale certo ou errado.
I....
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