Physics - ice skating

An ice skater pulls three small children, one behind the other, with masses 25kg, 31kg, and 35kg. Assume that the ice is smooth enough to be considered frictionless.
If the skater is holding onto the 25kg child, find the tension in the arms of the next child in line.

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asked by Shaila
  1. see the remarks I made on the three blocks.

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