Blocks with masses of 2 kg, 3 kg, and 6 kg are lined up in a row on a frictionless table. All three are pushed forward by a 55 N force applied to the 2 kg block. Part A: How much force does the 3 kg block exert on the 6 kg block? Part B: How much force does the 3 kg block exert on the 2 kg block?

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