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प्रश्न
What is the S.I. unit of work? Define it.
उत्तर
The S.I. unit of work is newton-metre or joule (J).
1 Joule = 1 N × 1 m.
1 J of work is said to be done by a force of 1 N if it displaces a body by 1 m in the direction of the force.
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