XPost: sci.math   
   From: relativity@paulba.no   
      
   Den 15.11.2025 21:25, skrev Maciej Woźniak:   
   > On 11/15/2025 9:09 PM, Paul.B.Andersen wrote:   
   >> Den 15.11.2025 16:05, skrev Maciej Woźniak:   
   >>> On 11/15/2025 3:27 PM, Paul.B.Andersen wrote:   
   >>>>   
   >>>> Why are you responding to a post when you address nothing in it?   
   >>>>   
   >>>> Try again?   
   >>>> Or are you admitting that the following is beyond your abilities?   
   >>>>   
   >>>> -------   
   >>>>   
   >>>> In SR/GR "proper acceleration" is the acceleration measured   
   >>>> in the rest frame (Momentarily co-moving inertial frame).   
   >>>> So there is no velocity to derivate, and the proper acceleration >   
   >>>> is as explained below.   
   >>>>   
   >>>> According to GR the proper acceleration of the satellite   
   >>>> is a = F/m where m is the mass of the satellite and F is the force   
   >>>> acting on it. Since no force is acting on an object in free-fall,   
   >>>> the proper acceleration of the satellite is zero.   
   >>>>   
   >>>> According to GR the proper acceleration of an object on the ground   
   >>>> is 9.81 m/s² upwards.   
   >>>>   
   >>>> In GR, the acceleration is what an accelerometer shows.   
   >>>> An accelerometer in free-fall  will show zero acceleration,   
   >>>> an accelerometer on the ground will show 9.81 m/s² acceleration   
   >>>> upwards.   
   >>>>   
   >>>> Why do you think accelerometers show what GR says,   
   >>>> and not what your common sense say it should show?   
   >>>>   
   >>>> Could it be that GR is more in accordance with   
   >>>> the laws of nature than is your prejudiced common sense?   
   >>   
   >> I see.   
   >> This was way beyond your mental abilities,   
   >> so all you can do is to babble nonsense like this:   
      
   >>> Sure, and in a theory of sharks eating grass   
   >>> a shark is what eats grass.   
      
   > As a mumbling idiot postulated that   
   > sharks must eat grass, because that's   
   > what "Laws of Nature" are - no wonder that   
   > a sheep became a "shark". Nothing   
   > complicated in that, sorry, trash.   
   >   
      
   We let these wise words about the "Laws of Nature" end the sub thread.   
      
   --   
   Paul   
      
   https://paulba.no/   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)