Gravitational Field/Gravitational Acceleration

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$\begin{displaymath}\vec{g} = \frac{\vec{F}_{grav}}{m} = -\frac{GM}{r^2}\hat{r} \end{displaymath}$

(4)

**Figure 4:** Acceleration field around a mass M
$\begin{figure} \begin{center} \leavevmode \epsfxsize=4 cm \epsfbox{figs/grav2.eps} \end{center}\end{figure}$

NOTE: At the Earth's surface: $g = g_E = \frac{GM_E}{R^2_E} = 9.8 m/s^2$

gabor@theory.uwinnipeg.ca
2001-01-05