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*From*: "Don" <dgpolvani@gmail.com>*Date*: Tue, 30 Jan 2018 14:29:13 -0500

Thanks for putting this into a mathematical form which I can relate to and clearly understand.

Don

-----Original Message-----

From: Phys-l [mailto:phys-l-bounces@mail.phys-l.org] On Behalf Of Bob

Sciamanda via Phys-l

Sent: Tuesday, January 30, 2018 1:48 PM

I might reword the question as:

In the one dimensional Newtonian 2nd law (A = F/M), what is A if both F and

M increase without limit? The answer is that A is undefined unless one

specifies just how F and M increase. Physically and mathematically, this

limiting process implies some mechanism which controls the increasing F and

M values and their relative rate of increase. Of course this unending process

is purely mathematical - at any real step in the process (and in the

mathematical limit) F and M have definite magnitudes and A = F/M is well

defined.

**References**:**[Phys-L] My 2 cents re: irresistible forces and immovable objects.***From:*"Bob Sciamanda" <treborsciamanda@gmail.com>

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