Explore the skills · QCAA
Machines and transmission
Unit 4 external-assessment revision: machines and transmission.
Explore the subject and its skills. Full lessons, examples and practice require subject access. Accounts and purchasing are not open yet.
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Machines and transmission
- Identify machine functions and types of motionRevision skill
- Calculate mechanical advantage, velocity ratio and efficiencyRevision skill
- Identify lever classes and calculate effortRevision skill
- Calculate the mechanical effect of an inclined planeRevision skill
- Calculate screw velocity ratio and effortRevision skill
- Determine load support and effort in pulley systemsRevision skill
- Calculate belt-drive ratios and output speedRevision skill
- Analyse spur, worm, and rack-and-pinion gear systemsRevision skill