3 Body Solutions part 2 - Newton's gravity

Continuing the adventure towards 3 Body Solutions, this time we talk about gravity - specifically around some concepts Isaac Newton introduced as well as relevant theories, terms, and thought experiments.

Part 2. Newton's Gravity A. Barycenter (heavy center) B. Thought Experiment: Train Tracks C. Force of Gravity Formula & Gravitational Constant D. "Little g" Acceleration due to Earth's gravity (internal Barycenter) E. Thought Experiment: Hollow Earth + Newton's Cannonball + The Cavendish experiment

 

Links:

Space.com article: https://www.space.com/why-is-gravity-so-weak#:~:text=It%20didn't%20take%20a,strongest%20of%20all%20the%20forces.&text=Here's%20another%20way%20to%20imagine,of%20the%20weakness%20of%20gravity

Isaac Newton: https://en.wikipedia.org/wiki/Isaac_Newton

Barycenter: https://en.m.wikipedia.org/wiki/Barycenter_(astronomy)

Mandelbrot set: https://en.wikipedia.org/wiki/Mandelbrot_set

The Cavendish Experiment: https://en.wikipedia.org/wiki/Cavendish_experiment

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