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
:
,
and substituting for and I, we get:
Return to:
Self Test Menu
Exit to:
Rotational Motion Menu
Return to:
Physics Tutorial Menu