Physics-
General
Easy

Question

A uniform thin stick of length lambda and mass m is held horizontally with its end B hinged at a point B on the edge of a table. Point A is suddenly released. The acceleration of the centre of mass of the stick at the time of release, is :

  1. fraction numerator 3 over denominator 4 end fraction g    
  2. fraction numerator 3 over denominator 7 end fraction g    
  3. fraction numerator 2 over denominator 7 end fraction r g    
  4. fraction numerator 1 over denominator 7 end fraction g    

The correct answer is: fraction numerator 3 over denominator 4 end fraction g

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