unit equivalence
What unit equivalence means in Physics GCSE, as defined for AQA.
Definition of unit equivalence
Check what you remember
Read the wording for your board, then hide it and explain unit equivalence in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
One newton-metre is one joule, so the numbers do not change and no conversion factor is multiplied or divided.
Topics that use unit equivalence
- Work done and energy transfer (AQA GCSE)
Related terms
- direction of transfer
- energy transfer
- friction removing energy
- internal energy
- joule
- joule and newton-metre
- perpendicular forces do no work
- rearrangement
Using unit equivalence in the exam
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