Posted by **Betty** on Saturday, March 5, 2011 at 3:54pm.

A force of magnitude 7.50 N pushes three boxes with masses m1=1.30kg m2=3.20kg, and m3=4.90kg. find the magnitude of teh contact force between boxes 1 and 2. find the magnitude of the contact force between boxes 2 and 3.

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