Physics A-Level
Extension and compression
What Extension and compression means in Physics A-Level, as defined for OCR.
Definition of Extension and compression
Check what you remember
Read the wording for your board, then hide it and explain Extension and compression in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The increase in length from the natural length and the decrease in length from the natural length respectively, both measured in metres.
Topics that use Extension and compression
- Springs (OCR A-Level)
Related terms
- Elastic and plastic behaviour
- Elastic limit
- Force constant
- Hooke's law
- Limit of proportionality
- Spring constant
- Compressive deformation
- Extension
Using Extension and compression in the exam
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