Work, Energy and Power definitions 0.0 / 5 ? ChemistryEnergy, work and powerGCSENone Created by: JOSACreated on: 24-10-19 16:38 Work done Energy transferred when an object is moved (unit: Joules) 1 of 11 Power Energy transferred per second (unit: Watts) 2 of 11 Efficiency Percentage of total energy input to an appliance that is useful work and not wasted 3 of 11 Conservation of energy Energy cannot be created or destroyed, it can only be transferred from one store to another 4 of 11 Newton the unit for measuring force 5 of 11 Joules The unit for energy 6 of 11 Mega A prefix for one million 7 of 11 Kilo A prefix for one thousand 8 of 11 Milli A prefix for one thousanth of a unit 9 of 11 Useful energy The energy that is used for work and not wasted 10 of 11 Wasted energy Energy that is lost to the surroundings, usually as heat 11 of 11
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