Chronology Current Month Current Thread Current Date
[Year List] [Month List (current year)] [Date Index] [Thread Index] [Thread Prev] [Thread Next] [Date Prev] [Date Next]

Re: What is weight? (was Re: Internal or external?)

Am I wrong in emphasizing that only "inertial frames" are
special because a weight (of an object A near another object
B) is the same in each of them?

John Mallinckrodt wrote:

... One important aspect of our new, improved model is the
understanding that the only special frames are freely falling
frames, that they are necessarily restricted in extent (i.e., "local"),
and that they are special because, in them, g = 0.