a fly wheel of mass 66kg and 2m radius makes 55rpm.assuming mass is concentrated at the rim.calculate the angular velocity and moment of interia

Answer 1

Fly wheel = hoop => I=mR² = 66•2²=264 kg•m²
n=55 rpm=0.92 rev/s
ω= 2πR=2•3.14•2=12.57 rad/s