3. Think about this pulling scenario: A 60 N force pulls three boxes across a surface with no friction. T1 is the tension force the rope on the left pulls with at both ends, and T2 is the force the rope on the right pulls with on both ends. (a) Draw diagrams of the three boxes and the forces they feel. (b) Find how much all three accelerate (will they have equal or unequal accelerations?)

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