A uniform rod AB of length 
and mass m is free to rotate about point A. The rod is released from rest in the horizontal position. The initial angular acceleration of the rod will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
The moment of inertia of the uniform rod about an axis through one end and perpendicular to its length is
Where m is mass of rod and 1 is length.
Torque 
acting on centre of gravity of rod is given by
or 
or 
or 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
When a mass is rotated in a plane about a fixed point, its angular momentum is directed along the-
A chain of mass m forming a circle of radius R is slipped on a smooth round cone with half-angle 9.…
The moment of inertia of a rigid body in terms of its angular momentum L and kinetic energy K is
A solid sphere of radius R and mass M is rolled by a force F acting at the top of the sphere as sho…
A Uniform rod AB is hinged at its end A and the other end of the rod is connected to a block throug…
A circular platform is free to rotate in a horizontal plane about a vertical axis passing through i…