The hand in the figure is pushing on the back of block A. Blocks A and B, with mass B > mass A, are connected by a massless string and slide on a frictionless surface.
Is the force of the string on B larger than, smaller than, or equal to the force of the hand on A?
Picture: http://img713.imageshack.us/img713/1030/physicsq.jpg [Broken]
The Attempt at a Solution
From my free body diagram, block B has a tension towards the right that should be less than the force applied to block A as they both move with the same acceleration.
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