(Solved): please help with part a and B (Figure 1) shows an acceleration-versus-force graph for three objects ...

(Figure 1) shows an acceleration-versus-force graph for three objects pulled by identical rubber bands. The mass of object 2 is \( 0.60 \mathrm{~kg} \). What is the mass of object 1 ? Express your answer with the appropriate units. Part B What is the mass of object 3 ? Express your answer with the appropriate units.