From Newsgroup: sci.physics.relativity

Tom Roberts wrote:

Your formula (1) a=100/30=3.33 m/s^2 is valid in both cases.

You seem to have difficulty thinking in terms of abstract symbols (m_A, F_ext, ...), and always seem to replace them with specific numbers. That
is a HUGE limitation in your mental processes. Note that all of the laws
of physics are phrased in terms of abstract symbols, including Newton's
three laws.

the newtone assumes not existent forces in gravity, and most probably he
was gay, particularly, to a vast extent.
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