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Why things fall
Lumen · High school
Newton’s first law in a kitchen: ice, a ball, a planet. The lecture is a household letter, not a textbook chapter.
Student age
10years · 5th grade
Lumen · High school
Newton’s first law in a kitchen: ice, a ball, a planet. The lecture is a household letter, not a textbook chapter.
Student age
10years · 5th grade