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Question

In the figure shown, the masses of blocks A and B have mass M subscript 1 end subscript equals 2 text end text k g and M subscript 2 end subscript equals fraction numerator 26 over denominator 7 end fraction text end text k g respectively. Pulley having moment of inertia, I equals 0.11 k g m to the power of 2 end exponent can rotate without friction about a fixed axis. The inner and outer radii of the pulley are a=10 cm, and b=15 cm. respectively. B is hanging with the thread wrapped around the pulley. While a lies on a rough inclined plane. Coefficient of friction being mu equals fraction numerator square root of 3 over denominator 10 end fraction. The tensions in the threads are

  1. 17 and 16    
  2. 16 and 26    
  3. 26 and 27    
  4. 17 and 26    

The correct answer is: 17 and 26

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