# IGCSE Physics Equations

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• Created by: samackel
• Created 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

## Other cards in this set

### Card 2

Hooke's Law

#### Back

Force = Springconstant x Extension

### Card 3

Density

#### Back ### Card 4

Force

#### Back ### Card 5

#### Front

Moment of a force

#### Back 