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From: alan@sdcrdcf.UUCP (Alan Algustyniak)
Newsgroups: net.physics
Subject: Re: Newton's Second Law
Message-ID: <2136@sdcrdcf.UUCP>
Date: Mon, 8-Jul-85 15:34:18 EDT
Article-I.D.: sdcrdcf.2136
Posted: Mon Jul  8 15:34:18 1985
Date-Received: Sat, 13-Jul-85 08:07:51 EDT
References: <9255@Glacier.ARPA> <1182@mnetor.UUCP>
Reply-To: alan@sdcrdcf.UUCP (Alan Algustyniak)
Distribution: net
Organization: System Development Corp. R+D, Santa Monica
Lines: 19
Summary: 

In article <1182@mnetor.UUCP> fred@mnetor.UUCP (Fred Williams) writes:
>
>	Newton's second law really defines a relationship between mass,
>force, and the "time rate of change of momentum". I believe Newton
>himself expressed it as;
>
>							dp
>					F	=  ----
>							dt
>

	I wrote that it was a great day,
	When Newton said,"F is ma."
	Alas, he did not;
	He said."F is p-dot."
	And my doctorate drifted away.

		Josef Solomon
			(In a letter in a very old issue of "Physics Today")