Net Torque and Angular Acceleration
A uniform solid disk of mass M and radius R is initially at rest on a frictionless horizontal surface. As shown in the diagram, three forces of equal magnitude F are applied tangentially to the disk’s perimeter at its top, bottom, and rightmost points. What is the resulting angular acceleration of the disk?
A
F·R/I, clockwise
B
Zero
C
F·R/I, counterclockwise
D
3F·R/I, clockwise
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