physics unit 1- useful energy
- Created by: safia rassool
- Created on: 23-05-16 13:29
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- energy exists in many forms- kinetic, light, sound, heat, nuclear, electrical, gravatational potention, elastic potential and chemical
- energy can be transferred from one form to another
- its impossible to create or destroy energy
- conservation of energy- means that the total energy is the same because energy is only transferred
- e.g when an object falls= GPE--->KINETIC
- a machine is something that transfers energy from one place to another
- a…
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