Physics 0.0 / 5 PhysicsEnergyGCSEAQA Created by: Ed200Created on: 21-05-18 21:48 What is energy? The capacity for something to do work 1 of 13 What is the formula for Gpe (gravitational potential energy)? Gpe=m x g x h 2 of 13 What is kinetic energy? Energy that is needed in moving objects 3 of 13 Give examples of forms of energy? Heat Light kinetic sound chemical Elastic 4 of 13 What is the formula for kinetic energy? Ek=1/2 x m v^2 5 of 13 What is a system in enrgy? It is an object or group of objects 6 of 13 What is specific heat capacity? The amount of enrgy that is needed to heat a substance by 1 degree 7 of 13 What is the formula for efficiency? Efficiency=useful energy output / total energy input 8 of 13 What are the units for power? Watt, W 9 of 13 What is meant by an infinite power sorce? A power source that will never run out 10 of 13 What is meant by a finite power source? A power source that will run out over time 11 of 13 Give an example of a finite energy source? Fossil fuels- oil , coal , gas and nuclear 12 of 13 Give an example of an infinite energy resource? wind , solar , bio fuel , tidal 13 of 13

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