The magnitude of the radius is calculated as, R‌‌=√(2)2+(1)2+(2)2 ‌‌=√9 ‌‌=3m The magnitude of the force is calculated as, F‌‌=√(3)2+(2)2+(−4)2 ‌‌=√29N The torque on the flywheel is calculated as, τ‌‌=Iα FR‌‌=(‌
MR2
2
)α The angular acceleration is, α=‌
2F
MR
=‌
2√29
1×3
=‌
2
3
√29 The angular velocity is calculated as ω=ω0+αt =0+‌