A disc turns anticlockwise as seen from above. The angular velocity vector points:
ASideways
BBackward
CDownward
DUpward
Answer & Solution
Correct answer: D. Upward
1. Curl the right hand with the turn.
2. The thumb sticks out along the axis.
3. For anticlockwise it points upward.
_Source: OpenStax University Physics Volume 1, Chapter 10, Fixed-Axis Rotation._
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