text: finding gravitational force between objects? any help on this problem would be greatly appriciated!  objects with masses of 290 kg and a 590 kg are separated by 0.420 m. (a) find the net gravitational force exerted by these objects on a 36.0 kg object placed midway between them. your answer differs from the correct answer by orders of magnitude. (n)  (b) at what position (other than infinitely remote ones) can the 36.0 kg object be placed so as to experience a net force of zero? (meters from the 590 kg mass) a)  find the attraction from each of the larger masses on the middle mass.  the attractions will point in opposite directions, so subtract one from the other.  b)  set the attractions equal to each other with r as a variable.  solve for r.