Rotational Motion Question 133
Question: 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
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: C
Solution:
[c]Torque exerted on the disc