http://www.2shared.com/photo/g0DiUjBB/figure.html
The figure is a graph of the angular position of a rotating disk.Which of the following best describes the corresponding motion of the disk.
a)clockwise
b)counterclockwise
c)first clockwise and then counterclockwise
d)first counterclockwise and then clockwise
The figure is a graph of the angular position of a rotating disk.Which of the following best describes the corresponding motion of the disk.
a)clockwise
b)counterclockwise
c)first clockwise and then counterclockwise
d)first counterclockwise and then clockwise
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θ starts out increasing, then decreases. Since it is conventional to take counterclockwise as positive, its motion is first counterclockwise, then clockwise. The sign of θ is irrelevant.