Physics GCSE
Unit relationship
What Unit relationship means in Physics GCSE, as defined for OCR.
Definition of Unit relationship
Check what you remember
Read the wording for your board, then hide it and explain Unit relationship in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
One watt equals one joule per second, so power is stated in watts rather than joules.
Topics that use Unit relationship
- Newton's laws (OCR GCSE)
Related terms
- balanced forces
- changing direction
- Circular motion
- constant velocity
- Directly Proportional
- Distance along the line of action of the force
- energy transfer
- Energy transfer between stores
Using Unit relationship 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.
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