Physical Education A-Level
Classes of lever
What Classes of lever means in Physical Education A-Level, as defined for AQA.
Definition of Classes of lever
Check what you remember
Read the wording for your board, then hide it and explain Classes of lever in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The relative positions of the fulcrum, effort and load define the class, and most levers in the body are third class.
Topics that use Classes of lever
- Levers (AQA A-Level)
Related terms
- Lever systems in the body
- Mechanical advantage
- Effort arm and load arm
- Fulcrum, effort and load
- Mechanical disadvantage
- Trade-off between force and speed
Using Classes of lever in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physical Education questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Physical Education A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge