A uniform disc of mass 
and radius 
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 
is exerted on the cord. The angular acceleration of the disc is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Torque exerted on the disc,
Now, 
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
A flywheel in the form of a uniformly thick disk 4ft in diameter weighs 600lbs and rotates at 1200 …
A flywheel rotating freely at 1800 rev/min clockwise is subjected to a variable counterclockwise to…
A constant power is supplied to a rotating disc. Angular velocity of disc varies with number of ro…
A homogeneous disc with a radius 0.2 m and mass 5 kg rotate around an axis passing through its cent…
If a force acts a point , then its torque (in N m) about the origin is
Three forces , and act on a , which is pivoted at . The anticlockwise moment of forces , and …