Physics Formulas 0.0 / 5 ? PhysicsEquations and FormulaeIGCSEEdexcel Created by: _nell_cCreated on: 01-03-14 12:55 Speed Speed= distance / time 1 of 19 Force Force= mass x acceleration 2 of 19 Acceleration Acceleration= change in velocity / time 3 of 19 Work Done Work Done= force x distance 4 of 19 Kinetic Energy K.E= 1/2mass x velocity² 5 of 19 Gravitational Potential Energy GPE= mass x gravity x height 6 of 19 Weight Weight= mass x gravity 7 of 19 Pressure Pressure= force / area 8 of 19 Moment Moment= force x perpendicular distance 9 of 19 Charge Charge= current x time 10 of 19 Voltage Voltage= current x resistance 11 of 19 Electric Power Electric power= voltage x current 12 of 19 Wave Speed Wave speed= frequency x wavelength 13 of 19 Refractive Index (n) Refractive index= Sin i / Sin r 14 of 19 Critical Angle (C) Critical angle= SinC= 1 / n 15 of 19 Pressure In Fluid Pressure in fluid= pressure distance= height x density x gravity 16 of 19 Transformer Relationship Transformer Relationship=input voltage / output voltage = input turns / output turns 17 of 19 Efficiency Efficiency= useful energy output / total energy input (x 100%) 18 of 19 Momentum Momentum= mass x velocity 19 of 19
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