P1-Energy

Created by: Wynnie24
Created on: 01-04-19 17:21

Energy cannot be created or destroyed. Energy can be stored, and these stores can change.

In a closed system the total energy at the start must be the same as the total energy at the end. All of the energy must remain stored, be transferred or dissipated.

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Chemical energy

Found in food, fuel and electrical batteries

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Kinetic energy

Found in moving objects

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Gravitational potenial energy

Found in objects raised above a planets surface

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Elastic potential energy

Found in a stretched, compressed or twisted object

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Internal (thermal) energy

Found in any heated object

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Magnetic energy

Found in any object with a magnetic field

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Electrostatic energy

Found in electrostatic forces between charges

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Nuclear energy

Found in the forces acting between atomic nuclei

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What is specific heat capacity?

Energy required to raise one kilogram of the material by one degree celsius

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Joules per kg per °C = C

Energy required = ΔE

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Mass of material = m

Increase in temperature = Δθ

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Specific heat capacity equation

ΔE = c x m x Δθ

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Power, voltage and current equation

power = voltage x curent

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Power, energy and time equation

energy = power x time

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Other cards in this set

Card 2

Front

Found in food, fuel and electrical batteries

Back

Chemical energy

Card 3

Front

Found in moving objects

Back

Card 4

Front

Found in objects raised above a planets surface

Back

Card 5

Front

Found in a stretched, compressed or twisted object

Back

View more cards

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P1-Energy