Kennard Dale
posted by Jake .
Estimate what the value of G would need to be if you could actually "feel" yourself gravitationally attracted to someone near you. Assume that each person has a mass of 72 kg, the force of attraction is F = 4 N, and the distance of separation is 0.5 m.

F=Gmm/r^2
G=Fr^2/mm
solve for G