Formulae 2.5 / 5 based on 2 ratings ? PhysicsEquations and FormulaeIGCSEEdexcel Created by: amaCreated on: 23-03-13 11:39 Input (primary) and Output (secondary) voltages and turns Input (primary) voltage/Output (secondary) voltage = Primary turns/Secondary turns 1 of 25 Momentum, Mass and Velocity Momentum = Mass x Velocity 2 of 25 Pressure, Force and Area Pressure = Force/Area 3 of 25 Efficiency Useful Energy Output/ Total Energy Input 4 of 25 Gravitational Potential Energy GPE = Mass x Gravity (10) x Height 5 of 25 Input Power and Output Power Vp Ip = Vs Is (for 100% efficiency) 6 of 25 Force, Pressure and Area Force = Pressure x Area 7 of 25 Speed, Distance and Time Speed = Distance/Time 8 of 25 Accelaration, Change in Velocity and Time taken Accelaration = Change in Velocity/ Time taken 9 of 25 Force, Mass and Accelaration Force = Mass x Accelaration 10 of 25 Weight, Mass and Gravitational energy Weight = Mass x Gravitational energy 11 of 25 Force, Change in Momentum and Time taken Force = Change in Momentum/ Time taken 12 of 25 Kinetic Energy KE = 1/2 x Mass x Speed^2 13 of 25 Refractive Index, Angle of Incidence and Angle of Refraction N= Sin(i)/ Sin (r) 14 of 25 Power Power = Work done/ Time taken 15 of 25 Moment, Force and Perpendicular Distance from Pivot Moment = Force x Perpendicular Distance from Pivot 16 of 25 Density, Mass and Volume Density = Mass/ Volume 17 of 25 Pressure and Temperature (Kelvin) P1/ T1 = P2 /T2 18 of 25 Pressure and Volume P1 V1 = P2 V2 19 of 25 Power, Current and Voltage Power = Current x Voltage 20 of 25 Voltage, Current and Resistance Voltage = Current x Resistance 21 of 25 Charge, Current and Time Charge = Current x Time (Q = IT) 22 of 25 Wave Speed Wave speed = Frequency x Wavelength 23 of 25 Critical Angle and Refractive Index Sin (critical angle) x 1/n 24 of 25 Frequency Frequency = 1/time period 25 of 25
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