Physics A-Level
The joule
What The joule means in Physics A-Level, as defined for OCR.
Definition of The joule
Check what you remember
Read the wording for your board, then hide it and explain The joule in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
One joule is the work done when a force of one newton moves an object one metre in the direction of the force, so 1 J = 1 N m.
Topics that use The joule
- Work and conservation of energy (OCR A-Level)
Related terms
- Conservation of energy
- Dissipation and efficiency
- Energy stores and forms
- Resolution of forces
- Energy transfer pathways
- Scalar nature of work
- Sign and direction in energy calculations
- Work as a transfer of energy
Using The joule in the exam
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