Rotational Motion - Self Test

Solution to Question 4

(a) The torque is:
(b) The moment of inertia for a thin-walled, hollow cylinder is:

Figure 1 Diagram from Question 4
(c) Recall that the net torque is equal to the moment of inertia multiplied by angular acceleration: Since there is only one torque on the bicycle wheel, then the net torque is simply : Rearranging the above equation for , and substituting for  and I, we get:
Return to: Self Test Menu
Exit to: Rotational Motion Menu
Return to: Physics Tutorial Menu