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Newton's Third Law of Motion
This section introduces Newton's Third Law of Motion - If a force is exerted by one object to another object, another force is simultaneously exerted by the second object to the first object with equal strength and opposite direction.
2017-11-28, ∼1845🔥, 1💬

💬 2017-11-28 jimmy savile: little kids

Meter Based on Earth's Meridian
This section introduces an old definition of 'meter' which uses the Paris meridian line. A 'meter' is about one ten-millionth of the length of a quadrant of the Paris meridian.
2017-10-08, ∼2841🔥, 2💬

💬 2017-10-08 Herong: Peter, what's the difference between inaccurate and miscalculated?

💬 2017-10-07 Peter: This explanation is incorrect. You are inferring from speed of light definition and assuming a broader sense of “correct” and wo...

Galilean Diagram of Moving Frames
This section presents a single diagram that represents a moving frame overlaid on a stationary frame. The time axis of the moving frame is rotated towards the moving direction.
2017-09-27, ∼938🔥, 1💬

💬 2017-09-27 Salih Kırcalar: John David Best has his web site Vida İnstitute. He put my articles page in 'Timeflow Theory' 'http://vidainstitute.org/?page_id.. .

Meter Based on Seconds Pendulum
This section introduces an old definition of 'meter' which uses a seconds pendulum. A 'meter' is the length of a seconds pendulum, which swings a full cycle in 2 seconds in small angles.
2017-06-14, ∼1582🔥, 1💬

💬 2017-06-14 Terry: I am going to try this

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