Part B: Short Answer Questions (Application) 1 . If the force of gravity between a book of mass 0.50 kg and a calculator of 0.100 kg is 1.5 x 10-10 N, how far apart are they? ( /2) Hint: G=6.67x10^-11 N m^2/kg^2 2. Draw diagrams showing the following: (a) The electric field around a positive charge ( /1) (b) The electric field between two parallel plates with the upper plate being negative ( /1)