Units (Forces and Motion)
1 mark · NormalWhich of these is the correct SI unit for momentum?
- A.kilogram metre/second (kg m/s)
- B.newton metre (N m)
- C.metre per second squared (m/s²)
- D.joule (J)
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Correct option: kilogram metre/second (kg m/s)
Also accept: kg m/s
Common mistakes: N m; J
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Marking points
B1 · 1 mark · Correct option selected (kg m/s).
Worked solution
The SI unit for momentum is kilogram metre per second (kg m/s).