|Motion: spatial variation of one or more observed or not observed objects in time. Problems arising in connection with attribution or withdrawal of predicates. See also change, temporal identity, process, flux, vectors._____________Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments. |
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Movement/Feynman: the laws of mechanics for each particle can be summarized in one sentence of three equations:
m(d²x/dt) = Fx, m(d²y/dt²) = Fy, m(d²z/dt²) = Fz. (11.1)
(s) I.e. the forces in the three directions of the dimensions.
This means that there is a possibility of measuring x, y, z along three mutually perpendicular axes and the forces along these directions, so that these laws apply.
Question: where do we put the starting point, from which the measurements must all be conducted?
Perhaps the center of the universe: Feynman: the symmetries show us that we will not find this point. It is not excellent!_____________Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution.
Vom Wesen physikalischer Gesetze München 1993
Vorlesungen über Physik I München 2001