A uniform rod of length and mass is free to rotate about point . The rod is released from rest in the horizontal position. Given that the moment of inertia of the rod about is , the initial angular acceleration of the rod will be

a) |
b) |
c) |
d) |

A uniform rod of length and mass is free to rotate about point . The rod is released from rest in the horizontal position. Given that the moment of inertia of the rod about is , the initial angular acceleration of the rod will be

a) |
b) |
c) |
d) |

1 Answer

127 votes

The moment of inertia of the uniform rod about an axis through one end and perpendicular to its length is Where is mass of rod and is length. Torque acting on centre of gravity of rod is given by or or or |

127 votes

127