Newton's Law of Universal Gravitation

The video explains Newton's law of universal gravitation, highlighting how it connects the motion of planets and falling objects. It covers Newton's thought experiment with a cannonball to illustrate orbits, the gravitational force equation, and interactions between celestial bodies like Earth and the Moon. The video also discusses the concept of freefall and how all objects accelerate towards Earth at the same rate. Finally, it touches on advancements in understanding gravity, including Einstein's theory of relativity.

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