Forces and motion units
Mechanics units connect each quantity to a measurable physical meaning, from base units for motion to compound units for force, field strength and momentum.
- Syllabus
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Exam analysis
Chance of appearing3%of analysed past papers
Latest appearanceJune 2022
Most common paperPaper2P
Typical marks1
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Common question formats
- Definition or recall
Recent exam appearances
June 2022Paper2P [null] · TZ02(a)[ 1 ]1.2P Additional mechanics units
Practice this topic
Coverage 2022–2022 · Updated 16 Jul 2026
1.1 Core mechanics units
Use the units kilogram (kg), metre (m), metre per second (m/s), metre per second squared (m/s²), newton (N), second (s) and newton per kilogram (N/kg).
1.2P Additional mechanics units
Use the following units: newton metre (Nm), kilogram metre/second (kg m/s)