A wheel makes complete clockwise revolutions followed by complete anticlockwise…

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Torque and Rotational Dynamics · Torque and Rotational Dynamics

Problem

A wheel makes

5

complete clockwise revolutions followed by

3

complete anticlockwise revolutions about the same fixed axis. Taking anticlockwise as positive, what is the net angular displacement

\Delta\theta

of the wheel? (a)

16\pi\,\text{rad}

(b)

-4\pi\,\text{rad}

(c)

4\pi\,\text{rad}

(d)

-2\pi\,\text{rad}