Key term for AQA GCSE Physics, used in Forces and Elasticity.
A linear relationship where if one variable doubles, the other also doubles. It produces a straight line through the origin on a graph.
Directly proportional appears in AQA GCSE Physics revision content for Forces, especially Forces and Elasticity and Forces and elasticity.
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Electricity
Current, Potential Difference and Resistance • Current, resistance and potential difference
