On 22/12/2017 11:22 am, [email protected] wrote:
On Thursday, December 21, 2017 at 11:03:53 PM UTC, Brent wrote:On 12/21/2017 2:04 PM, [email protected] <javascript:> 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.
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