Units (Forces and Motion)
1 mark · NormalWhich one of the following is the correct SI unit and symbol for the quantity: newton metre?
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Correct option: newton metre (Nm)
Common mistakes: Confusing joule (J) with newton metre (Nm)
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Marking points
B1 · 1 mark · Correct answer: newton metre (Nm)
Worked solution
The correct SI unit for moment (turning effect) is the newton metre (Nm). The other options are SI units for other quantities: joule for energy, kilogram metre per second for momentum, and metre per second squared for acceleration.