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A 3.0-kg and a 5.0-kg boxes rest side-by-side on a smooth, level floor. A horizontal force of 32 N is applied to the 5.0-kg box pushing it against the 3.0-kg box, and, as a result, both boxes slide along the floor. How large is the contact force between the two boxes?

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12 N
20 N
32 N
0 N

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Solution Summary

The solution shows how to calculate the contact force between the two boxes by Newton's second law in detail.

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