F = G \frac{m_{1} m_{2}}{r^{2}}

${F = G\frac{{{m_1}{m_2}}}{{{r^2}}}}$

F = G \frac{m_{1} m_{2}}{r^{2}}

$F = G\frac{{{m_1}{m_2}}}{{{r^2}}}$

F

$F$

r (m)

$r\;\left(m\right)$

r

$r$

m

$m$

1

m_{1}

$m_1$

k g

$kg$

1

m_{2}

$m_2$

k g

$kg$

1

Lisa

OK

Error