Re: [Phys-L] energy in the gravitational field

[Carl Mungan <mungan@usna.edu>]

> a contributor to Phys-L, Carl Mungan, has published a nice paper in TPT: "Negative work done by a person".
> <http://scitation.aip.org/content/aapt/journal/tpt/53/4/10.1119/1.4914563>
>
> This is a question I have thought about as well and occasionally addressed it with my students.
> A tangential question: *How* is gravitational potential energy stored in the gravitational field? 

Very kind of you to remark on my humble paper. I agree with the answers by John D. and others. It might amuse you to read some back-and-forth between Cliff Swartz and myself in the pages of AJP before his passing which addresses this question and related topics:

http://usna.edu/Users/physics/mungan/_files/documents/Publications/AJP.pdf <http://usna.edu/Users/physics/mungan/_files/documents/Publications/AJP.pdf> 

Best regards, Carl

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Carl E Mungan, Assoc Prof of Physics  410-293-6680 (O) -3729 (F)
Naval Academy Stop 9c, 572C Holloway Rd, Annapolis MD 21402-1363 
mailto:mungan@usna.edu     http://usna.edu/Users/physics/mungan/