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: [Phys-l] Weightless

Robert Carlson wrote:

Defining weight as mg and mMG/r^2 is common practice
in high school and first year college level physics
texts.

But since g is not the same as MG/r^2 on the surface of the Earth, it would seem that at least one of these "definitions" would have to be abandoned. I'd suggest that if you do keep one of them, it should be the first one.

John Mallinckrodt

Professor of Physics, Cal Poly Pomona
<http://www.csupomona.edu/~ajm>

and

Lead Guitarist, Out-Laws of Physics
<http://outlawsofphysics.com>