Newton's second law:
F1 = m1a1
F2 = m2a2
F1/F2 = (m1a1)/(m2a2)
Figure 1 shows an acceleration-versus-force graph for three objects pulled by rubber bands. The mass of object 2 is 0.40kg.
Part A) What is the mass of object 1?
Part B) What is the mass of object 3?
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