Задача 11188.

On a smooth horizontal surface of the table is a board weighing 4 kg. On the board is a bar weighing 1 kg. The coefficient of friction between the bar and the board is 0.2. A horizontal force of 2 N is applied to the bar. Find the acceleration of the bar.

Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
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