The combination of an applied force and a frictional force produces a constant torque of 41 Nm on a wheel rotating about a fixed axis. The applied force acts for 6 second, during which time the angular speed of the wheel increases from 0 to 12rad/s. the applied force is then removed, and the wheel comes to rest in 55 second.
a) What is the moment of inertia of the wheel?
(kgm2)
b) Determine the magnitude of the frictional torque?
(Nm)
c) Compute how many revolutions does the wheel make?