A solid disk 0.15 meters in radius is pulled downward by a 0.10 kg mass tied to a string wrapped around the rim of the disk. The acceleration of the disk is 0.726 m/s2. Find the torque on the disk.
a) 0.136 Nm
b) 0.907 Nm
c) 3.63 Nm
d) 0.054 Nm
e) there is no way to find torque without the mass of the disk