The figure shows a graph of acceleration-versus-sum of the forces exerted on the objects 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
Correct Answer:
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