Question

A 2000kg ferris wheel accelerates from rest to an angular speed of 2.0 rad/s in 12 secs. Approximate the ferris wheel as a circular disk with a radius of 30m. what iss the net torque on the wheel

Answer 1

Torque*time=momentofInertia*final angular speed.

http://en.wikipedia.org/wiki/List_of_moments_of_inertia

Answer 2

27