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Last modified: 2025-04-19

61. "Owner" of potential energy. (score: 16)

Author: "Carl E. Mungan" <mungan@USNA.EDU>

Date: Wed, 24 Oct 2001 14:07:21 -0400

May be you intended to say that kx^w/2 "belongs" to the spring ? and Jim Green wrote: In the case of the spring it is not clear in what is proposed -- Is it contemplated that both the ball and the Ea

/archives/2001/10_2001/msg00635.html (6,222 bytes)

62. BEFORE "Negotiating" a curve. (score: 16)

Author: Ludwik Kowalski <KowalskiL@MAIL.MONTCLAIR.EDU>

Date: Tue, 9 Nov 1999 15:37:32 -0500

Hello John_M I will skip the nitpicking things. You wrote: .... Finally, I would be less confident that the net force in a case of rolling friction like this would be constant, but you claim that the

/archives/1999/11_1999/msg00394.html (8,242 bytes)

63. Newton's 3rd law? was Re: inertial forces (definition) (score: 16)

Author: John Mallinckrodt <ajmallinckro@CSUPOMONA.EDU>

Date: Mon, 25 Oct 1999 05:45:22 -0800

On Mon, 25 Oct 1999, Ed Schweber wrote: But what of the walker? I understand Arons' conceptual difficulty. But Arons approach presents other problems The walker's center of mass is accelerating and w

/archives/1999/10_1999/msg00884.html (5,749 bytes)

64. work done by friction (score: 16)

Author: Brian McInnes <bmcinnes@PNC.COM.AU>

Date: Tue, 26 Oct 1999 14:05:20 +1000

At 11:21 AM +1000 10/26/99, Brian McInnes wrote: "frictional forces do not do work" If I drop a penny onto a slowly rotating turntable, I see that the penny begins rotating at the same rate. What for

/archives/1999/10_1999/msg00919.html (4,822 bytes)

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