Action-reaction-resultant
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Index Entry
Review Notes
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Action-reaction-resultant:
"Engineers are always talking about action and reaction, but they oversimplify. We have reaction and action, but we also have resultants; and every event, then, is really a three-part affair." I find that the resultant and the reaction are never at 180 degrees, which is an approximate figure as there are always some odd angles.
"Reactions and resultants are always precessional."
Citations
- NASA Speech, p.53,52, Jun'66
