1. The problem statement, all variables and given/known data A certain Force applied to a particle of m1 gives it an acceleration of 20m/s2. The same Force applied to a particle of m2 gives it an acceleration of 30m/s2. If the two particles are glued together and the same force is applied to the combination, find the acceleration. 2. Relevant equations F=ma 3. The attempt at a solution m2/m1=a2/a1 would be helpful if a mass was given. No idea how to set up this problem.