Elementary Angular-Momentum with Force of Gravity// Angular-Momentum equals Electric Field// Physics series for High School, Book 8 (English Edition)
Last revision was 15Mar2021. This is AP's 62nd published book of science.

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Table of Contents
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1) Angular Momentum is one of the most difficult concepts of physics.

2) Strange motion of Uranus and its satellites.

3) UNITS of PHYSICS

4) Linear Momentum

5) Angular Momentum

6) Principle that Angular Momentum is represented by an ellipse.

7) Principle of Gravity

8) Return and Review of the Moons (satellites) of Uranus.

9) Quantum Duality that is Electricity to Magnetism, and that is Angular Momentum with Force of Gravity.

10) Angular-Momentum equals Electric-Field.

11) Angular-Momentum equals Electric-Field equals Area speed (Area velocity).