como a gravidade funciona???????
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Do ponto de vista prático, a atração gravitacional da Terra confere peso aos objetos e faz com que caiam ao chão quando são soltos (como a atração é mútua, a Terra também se move em direção aos objetos, mas apenas por uma ínfima fração).
Do ponto de vista cosmológico, a gravidade faz com que a matéria dispersa se aglutine, e que essa matéria aglutinada se mantenha intacta, permitindo dessa forma a existência de planetas, estrelas, galáxias e a maior parte dos objetos macroscópicos no universo.
PEUDIPAI:
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