IGCSE Physics Equations 0.0 / 5 PhysicsEquations and FormulaeIGCSENone Created by: samackelCreated on: 27-10-18 12:55 Speed Distance/Time 1 of 28 Hooke's Law Force = Springconstant x Extension 2 of 28 Density Mass / Volume 3 of 28 Force Mass x Acceleration 4 of 28 Moment of a force Force x Perpendicular distance from pivot 5 of 28 Pressure Force / Surface Area 6 of 28 Pressure in a Liquid Density x G x Depth 7 of 28 Work done Force x Distance Moved 8 of 28 Energy/Temperature Change Mass x Specific Heat Capacity x Temperature Change 9 of 28 Power Work Done / Time Taken = Energy Transformed / Time Taken 10 of 28 Efficiency Useful Energy Output / Total Energy Input 11 of 28 (Wave)speed Frequency x Wavelength 12 of 28 Frequency of Waves 1 / Period 13 of 28 Refractive Index Sin i / Sin r 14 of 28 Sine of critical angle 1 / reflective index 15 of 28 Electrical Charge Current x Time 16 of 28 Resistance Voltage / Current 17 of 28 Resistance (Resistors in Series) R1 + R2 + R3.... 18 of 28 Resistance (Resistors in Parallel) 1/R1 + 1/R2 + 1/R3... 19 of 28 Electrical Power Voltage x Current 20 of 28 Electrical Energy (Energy Transformed) Electrical Power x Time 21 of 28 Transformers Output Voltage/Input Voltage = Output turns/Input Turns 22 of 28 For 100% Efficient Transformers power input = power output 23 of 28 Acceleration Change in Velocity / Time Taken 24 of 28 Weight Mass x Gravitational Field Strength 25 of 28 Gravitational Potential Energy Mass x G x Height 26 of 28 Kinetic Energy 1/2 x Mass x Velocity^2 27 of 28 Momentum Force x Velocity 28 of 28

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