Key term for Edexcel GCSE Physics, used in Energy Stores and Transfers.
A relationship where increasing one variable causes a completely consistent, matching increase in another variable (e.g., doubling one doubles the other).
Directly proportional appears in Edexcel GCSE Physics revision content for Conservation of energy, especially Energy Stores and Transfers and Kinetic Energy.
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Forces and matter
Pressure in Fluids • Liquid Pressure Equation
