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A force of magnitude 7.50 N pushes three boxes with masses m1=1.30kg,m2=3.20kg, and m3=4.90kg A)Find the...

A force of magnitude 7.50 N pushes three boxes with masses m1=1.30kg,m2=3.20kg, and m3=4.90kg

A)Find the magnitude of the contact force between boxes 1 and 2

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

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