¶ Energy Event (1)
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Cross Reference
We have an explanation of structural engineering in force diagrams. You hear engineers say you have action and reaction so there really are always sort of two lines. If I get a result like this I get a reaction in the opposite direction. I began to discover that this was an oversimplification. At the top here I have a man standing and he jumps. In the first place I want you to remember that he jumps. He doesn’t glide horizontally, he jumps. That is, he goes outwardly from the center of the Earth and that is a vector. That is an energy action in itself. He jumps. He is the action. The action was not just horizontal but also vertical. It was mildly vertical in that he went outwardly. He represents already this kind of a motion and this kind of a motion. As he jumps this boat goes into reaction and shoots off that way and then a moment later he lands and the boat goes this way so he is the action and he is complex in that he is both horizontal and vertical and he jumped. There is a reaction and a result so there really is a four-foldedness going on. Sometimes it looks quite three-folded because he doesn’t jump very high. It is all right for us to think of a tetrahedron very low in altitude. (See Slides #43-46) 6 Jul’62
¶ Cross-References
- Slides #43-46, 6 Jul’62
