Units (Forces and Motion)
2 marks · Normal(a)[1 mark]
Write the correct SI unit and its symbol for speed.
(b)[1 mark]
What is the SI unit (and symbol) for momentum?
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(a) metre per second (m/s)
(b) kilogram metre per second (kg m/s)
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Marking points
B1 (a) · 1 mark · Correct SI unit and symbol for speed.
B1 (b) · 1 mark · Correct SI unit and symbol for momentum.
Worked solution
(a) The SI unit for speed is metre per second (m/s). (b) The SI unit for momentum is kilogram metre per second (kg m/s).