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April 20, 2014

Homework Help: Physics

Posted by Lauren on Tuesday, January 25, 2011 at 4:56pm.

Three blocks rest on a frictionless, horizontal table (see figure below), with m1 = 8 kg and m3 = 20 kg. A horizontal force F = 101 N is applied to block 1, and the acceleration of all three blocks is found to be 3.5 m/s2.

Find m2.
What is the normal force between blocks 2 and 3?

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