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A student needs the direction of angular velocity for a turning disc. The tool is the:

ARigid plate rule
BRing magnet rule
CRight hand rule
DRight angle rule
Answer & Solution
Correct answer: C. Right hand rule
1. Sense of rotation must map to a direction. 2. Curling the fingers shows the turn. 3. The thumb then gives the direction. _Source: OpenStax University Physics Volume 1, Chapter 10, Fixed-Axis Rotation._
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