PHYSICS · Single correct · AP · Physics 1: Algebra-based · Torque and Rotational Dynamics · Torque and Rotational Dynamics
Problem
A student compares two identical solid disks, each of mass M. Disk A has radius R, while Disk B has radius 2R. The same constant tangential force F is applied at the rim of each disk. Neglecting any friction, which of the following best describes the ratio of the resulting angular accelerations αB/αA?
(a) 2
(b) 41
(c) 21
(d) 1