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Question

An unstretched massless rope is wrapped around a solid cylinder of mass m and radius r of the rope is fixed while cylinder is released from rest. The acceleration of the rope is

  1. fraction numerator 2 over denominator 3 end fraction text end text g    
  2. fraction numerator m r to the power of 2 end exponent text end text g over denominator 2 end fraction    
  3. fraction numerator 3 over denominator 2 end fraction g    
  4. fraction numerator m r to the power of 2 end exponent over denominator 2 text end text g end fraction    

The correct answer is: fraction numerator 2 over denominator 3 end fraction text end text g

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