Key term for OCR GCSE Physics A, used in Power and efficiency.
A physical system in which the total energy remains constant because no energy can enter or leave.
Closed system appears in OCR GCSE Physics A revision content for Energy, especially Power and efficiency and Calculating efficiency.
Energy
Power and efficiency • Calculating efficiency
Energy
Power and efficiency • Energy dissipation
Energy
Work done • Energy calculations
Energy
Work done • Energy changes by heating and work
Energy
Work done • Energy store changes
Energy
Work done • Conservation of energy
Forces
Newton’s laws • Momentum
Matter
Pressure • Particle motion and pressure
Matter
Changes of state • Physical vs chemical changes
Matter
Changes of state • Conservation of mass
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