Two touching bars 1 and 2 are placed on an inclined plane forming an angle \( \alpha \) with the...
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2Two touching bars 1 and 2 are placed on an inclined plane forming an angle \( \alpha \) with the horizontal (Fig,. 1.10). The masses of the bars are equal to \( m_{1} \) and \( m_{2} \), and the coefficients of friction between the inclined plane and these bars are equal to \( k_{1} \) and \( k_{2} \) respectively, with \( k_{1}k_{2} \). Find:
the minimum value of the angle \( \alpha \) at which the bars start sliding down.
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