Question

1-Find the gravitational force

between two objects the first
one is 25 kg and the seconed
one is 0.55 kg and the distance
between it is 35 m.

Answer 1

`g = (GMm)/(r^2)`

where
`G` is the gravitational constant and is about
`6.67 * 10^(-11)`

`g = (6.67 * 10^(-11) * 25 * 0.55)/(35^2)`

`g = (6.67 * 10^(-11) * 25 * 0.55)/(1225) = 0.000000000000749 N` :D