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4. Work and Energy
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Q2 of 146 Page 145

State the SI unit of work.

Work (W) = Force (F) x Distance (s)

SI unit of F is N (Newton) and s is m (meter)


Hence SI unit of work = N x m = Nm (Newton-meter)


Another name for 1Nm is joule.


Therefore, SI unit of work is joule.


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Questions · 146
4. Work and Energy
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