A load with mass m rests on a smooth horizontal table. The coefficient of friction between the load and the table is k. A thread is tied to the weight and is thrown over a block on the edge of the table. At the other end of the thread, the maximum possible load is suspended, which does not yet cause the first load to slide. The table begins to move in a horizontal direction, as shown in Fig. 56, What will be the acceleration of the load m? The acceleration a of the table is small compared to g, so the deviation of the second load from the vertical can be neglected.

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