A force of magnitude 7.50 {\rm N} pushes three boxes with masses m_1 = 1.30\,{\rm{kg}},m_2 = 3.20\,{\rm{kg}}, and m_3 = 4.90\,{\rm{kg}}, as shown in the figure(Figure 1) . (Ignore friction.)

Question

Find the magnitude of the contact force between boxes 1 and 2, and

Find the magnitude of the contact force between boxes 2 and 3.

Answer 1

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