# IGCSE Equations

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Fundamental IGCSE Equations for the exam!

### v=d/t

Speed = Distance/Time

### a=(v-u)/t

Acceleration = Change in Velocity/ Time

### F=ma

Force = Mass x Acceleration

### W=mg

Weight = Mass x Gravitational Field Strength

### M=Fd

Moment = Force x Perpendicular distance from pivot

### P=IV

Power = Current x Voltage

### E=IVt

Energy transferred = Current x Voltage x Time

### V=IR

Voltage = Current x Resistance

### Q=It

Charge = Current x Time

### Efficiency Equation

Efficiency = Useful Energy Output/Total Energy Output x 100

### W=Fd

Work done = Force x Distance moved in the direction of the force

### GPE=mgh

Gravitational Potential = Mass x Gravitational Field Strength x Height

### KE=1/2mv2(squared)

Kinetic Energy = 1/2 x Mass x Speed squared

### P=W/t

Power = Work done/Time

### Vs/Vp=Ns/Np

Transformer equation

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