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Whose idea explained the source of tidal forces on Earth?
Quick Answer
Newton’s theory of gravitation explained tides as the result of the Moon’s and Sun’s gravity pulling on Earth’s oceans. He developed the idea in the 17th century.
The Full Story
Isaac Newton’s law of universal gravitation showed that tides are caused by differential gravitational pulls, not by mysterious oceanic behavior. The Moon is the main driver, with the Sun also contributing. Newton’s explanation accounted for the regular rise and fall of ocean water observed around the world. It remains the basic physical explanation of tides today.
Key Facts
1.Newton published his theory in 1687
2.The Moon causes most tidal effect
3.The Sun also contributes to tides
YouTube Angle
Suggested video title for this topic:
"Why the Moon can move oceans without touching them"
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