Special & General Relativity Questions and Answers
Why can't time be considered a force?
Time is a dimension, not a force. It is not a force in the same way that mass, by itself, or temperature by itself is not a force. It is, instead, a component or 'parameter' in which we describe forces. You can have time ,without any forces, but you cannot have forces without time. A force is the product of mass ( inertia) times the change IN TIME of velocity.
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All answers are provided by Dr. Sten Odenwald (Raytheon STX) for the NASA Astronomy Cafe, part of the NASA Education and Public Outreach program.