Questions
A uniform disc of mass M and radius R is mounted on an axle supported in frictionless bearings. A light cord is wrapped around the rim of the disc and a steady downward
pull T is exerted on the cord. The angular acceleration of the disc is
detailed solution
Correct option is C
Torque exerted on the discτ=TR Now τ=Iα α=τI=TR12MR2=2TRMR2=2TMRTalk to our academic expert!
Similar Questions
A uniform rood AB of length and mass is free to rotate about point A. The rod is released from rest in the horizontal position. Given that the moment of inertia of the rod about A is , the initial angular acceleration of the rod will be
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