On Friday, December 22, 2017 at 12:54:50 AM UTC, Bruce wrote: > > On 22/12/2017 11:22 am, [email protected] <javascript:> wrote: > > On Thursday, December 21, 2017 at 11:03:53 PM UTC, Brent wrote: >> >> >> On 12/21/2017 2:04 PM, [email protected] wrote: >> >> >> >> *If Newton's Law of Gravitation is covariant -- that is, coordinate frame >> independent -- I'd expect it to to be invariant between inertial frames, >> but I don't believe it is. That is, I don't think a LT between inertial >> frames will leave the form of the law unchanged. How do you resolve this >> problem? TIA, AG * >> >> >> Don't use a Lorentz transform between frames in a Galilean invariant >> theory. >> > > *OK, So why didn't Einstein do what he did for classical mechanics which > is not Lorentz invariant, and directly modify Newton's Law of Gravitation? > AG* > > > Special relativity is kinematics, gravitation is a dynamical theory -- one > doesn't go into the other. You need a new dynamical theory. >
*I don't understand the distinction. I'll have to consult Wiki. AG * > > Bruce > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
