Paragraph: The figure shows a rod of circular cross section which starts rotating from rest with...

   

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Paragraph: The figure shows a rod of circular cross section which starts rotating from rest with angular acceleration a about vertical axis passing through one of its end (A) in horizontal plane. A bead of mass mjust fits the rod and is situated at a distance r from end A at t=0. Friction exists between rod and the bead with coefficient u. As the angular velocity of rod increases, the bead starts sliding over the rod at some instant (say after time to). Based on above information, answer the following questions. A Based on above information answer the following question : The normal force acting on bead at time t( < to) is : Paragraph: The figure shows a rod of circular cross section which starts rotating from rest with angular acceleration a about vertical axis passing through one of its end (A) in horizontal plane. A bead of mass mjust fits the rod and is situated at a distance r from end A at t=0. Friction exists between rod and the bead with coefficient u. As the angular velocity of rod increases, the bead starts sliding over the rod at some instant (say after time to). Based on above information, answer the following questions. A Based on above information answer the following question : The normal force acting on bead at time t( < to) is :