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Hooke's Law:

[tex]F_h (x) = -kx[/tex]

k - spring force constant

Newtons Law: (Gravitation)

[tex]F_g (r) = -G \frac{M^2}{r^2}[/tex]

[tex]F_g (r) = F_h (r)[/tex]

Newton-Hooke Equasion:

[tex]-G \frac{M^2}{r^2} = -kr[/tex]

[tex]k = G \frac{M^2}{r^3}[/tex]

[tex]G = k \frac{r^3}{M^2}[/tex]

Does Newtons Law obey Hooke's Law?

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# Newton-Hooke Equasion

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