Question

How do you calculate the force of gravity between two objects?

Answer 1

`F=(Gm_1m_2)/r^2`, where:

• `F` = gravitational force (`N`)
• `G` = gravitational constant (`~6.67*10^-11Nm^2kg^-2`
• `m_1` and `m_2` = masses of objects 1 and 2 (`kg`)
• `r` = the distance the centre of gravities of both objects (`m`)