A Torsional Pendulum Consists of a Solid Disk (Mass =

Multiple Choice

A torsional pendulum consists of a solid disk (mass = 2.0 kg, radius = 1.0 m) suspended by a wire attached to a rigid support. The body oscillates about the support wire. If the torsion constant is 16 N⋅m/rad. What is the angular frequency (in rad/s) ?

A) 2
B) 4
C) 6
D) 8
E) 7