AQA Trilogy 1-9 - P1 - Fridge Physics

Kinetic Energy

In physics, the kinetic energy (KE) of an object is the energy that it has due to its motion. It is defined as the work needed for an object of…

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Power

The quantity power is the rate at which work is done. The quicker work is done the greater the power. What is Power? The…

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Elastic Potential Energy

Stretching or squashing an object can transfer energy into its elastic potential energy store. What is Elastic potential energy? Stretching or squashing an object…

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Charge

The size of the current is the rate of flow of charge. Electrons are negatively charged particles which transfer energy through wires as electricity….

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Resistance

Resistance is an electrical quantity that measures how a device or material reduces the electrical current flow through it. What is Resistance? Resistance is…

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Electrical Power

The power of an appliance is the energy that is transferred per second. Electric power is the rate, per unit time at which electrical…

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Density

Density is a measure of how compact the particles are in a substance. Density is defined as the mass per unit volume. What is Density…

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Specific Latent Heat

Specific latent heat is the energy needed to change the state of a substance. What is Specific latent heat? Specific latent heat is the…

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Half Life

The radioactivity of a sample decreases over time. Half life is a measurement of this decrease. What is Half life? The radioactivity of a…

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Efficiency

The efficiency of a device is the proportion of input energy that is converted to useful energy. What is Efficiency? The efficiency of a…

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Energy Transformed

The potential difference between two points is the energy transferred per unit charge. An electrical circuit is an energy transformation device. What is Energy…

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