Newton's Second Law in 1 Dimension: The figure shows an acceleration-versus-force graph for three objects pulled by wires. If the mass of object 2 is 36 kg, what are the masses of objects 1 and 3?
A. 12 kg and 90 kg
B. 72 kg and 18 kg
C. 90 kg and 12 kg
D. 12 kg and 72 kg
Answer: A
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