Exam-style question
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What unit is used to measure rotational power in the SI system?.
- A.Joule
- B.Newton meter
- C.Watt
- D.Kilogram
Model answer
What a good answer should say
- Watt
Explanation
Why this works
Rotational power is measured in Watts (W), which is defined as one joule per second. This unit reflects the rate at which work is done or energy is transferred in a rotating system.
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