(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

http://img255.imageshack.us/img255/9655/untitled1vq1.jpg [Broken]

3. The attempt at a solution

Okay, so I have no idea how to do this problem. Well first of all, the net force of the whole system is F - f = (m1 + m2)a. I have no idea what a is. Also, since friction is involved we need to find the normal force. How do I find the normal force?

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# Homework Help: Forces Help

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