physics...2 boxes having mass..?

Question

2 boxes having mass m1= 1.0 and m2 = 2.0 kg are in contact with each other on a horizontal table. Friction between each block and the table is negligible. A horizontal force F is applied to m1, causing the blocks to accelerate to the right with a= 5.0 m/s^2.

a) What is the magnitude of F?

b) What are the forces of compression between the blocks?

Answer 1

The boxes have a mass of 3 kg.
a) F = m*a in this case (m1+m2)*a.

b) m2 is being moved along by the compression force Fc. It's accelerating at the same value, a.
Fc = m2*a

Answer 2

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