Questions
A uniform rod of length l, hinged at the lower end is free to rotate in the vertical plane. If the rod is held vertically in the beginning and then released, the angular acceleration of the rod when it makes an angle of 45° with the horizontal is:
detailed solution
Correct option is A
From τ=Iαmgl22=ml23α⇒α=3g22lTalk to our academic expert!
Similar Questions
A body is placed on a horizontal frictionless surface. When a horizontal force F is applied on the body, it is observed that the body makes only translational motion. The which of the following points may be the positions of its centre of mass?
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