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Hipervinculo Física
Learn how and why Earth's gravity varies around the globe.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Hipervinculo Física
Gravity is a force that all objects exert, but you can really only feel it from the really big things. The Earth pulls us down to its center, the Moon pulls our water from the oceans to make the tides ...
Hipervinculo Física
For each selected invention or discovery, name the country where it originated.
It is an educational content by JetPunk, site that contains a wide variety of quizzes.
La ley de la gravitación, explicada por uno de los grandes genios del siglo XX, Richard Feynman.
"Newton's Law of Universal Gravitation says that everything with massive particle in the universe attracts all other massive particles. This force is called gravity. The force of gravity = universal g ...
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