(May 12, 2016 at 2:14 pm)Jehanne Wrote:(May 12, 2016 at 2:02 pm)SteveII Wrote: For example, take a train locomotive and a freight car connected by a coupling with 0% flex. When the locomotive starts moving (the efficient cause), the freight care moves as well (the effect). Simultaneous.
This is absolutely false; special relativity prohibits faster-than-light effects.
So if we take a simple physics equation of F=MA. How long is it after the force is applied to the mass, before it starts accelerating? What are they doing in this time?