Physics 0.0 / 5 ? PhysicsWork, Energy, PowerASCCEA Created by: elliesbCreated on: 06-05-17 18:10 Principle of consevation of energy Energy cannot be created or destroyed but can chage from one form into another 1 of 6 Principle of consevation of momentum Momentum in a collision is conserved provided there is no external force acting. 2 of 6 Law of moments When a body is in equilibrium the clockwise moments about a point equals the anticlockwise moments about the same point 3 of 6 Electromotive force Energy converted from other forms into electrical enerfy per column of charge leaving the battery 4 of 6 Power The rate of doing work 5 of 6 Efficiency The fraction of useful output energy to total input energy 6 of 6
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