find the force of gravity between 74.0kg physics students that are sitting 85.0 cm apart

Answer 1

F = G M1*M2/R^2

Use 0.85 m for R

G = 6.67*10^-11 N*m^2/kg^2

Answer 2

force=G(m1m2/r^2) G=6.673x10^-11