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General
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Question

In fig. all the pulleys and strings are massless and all the surfaces are frictionless. Small block of mass m is placed on fixed wedge. (take g equals 10 blank m s to the power of negative 2 end exponent ) The acceleration of pully p subscript 4 end subscript is

  1. 2.25 blank m divided by s to the power of 2 end exponent towards left    
  2. 2.25 blank m divided by s to the power of 2 end exponent towards right    
  3. 9 blank m divided by s to the power of 2 end exponent towards left    
  4. 9 blank m divided by s to the power of 2 end exponent towards right    

The correct answer is: 2.25 blank m divided by s to the power of 2 end exponent towards left

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