# Physics Formulas

Speed
Distance / Time
1 of 30
Acceleration
Final speed - Initial Speed / Time
2 of 30
Weight
Mass x Gravity
3 of 30
Density
Mass / Volume
4 of 30
Force
Mass x Acceleration
5 of 30
Moment (Nm)
Force (N) x Distance from Pivot (m)
6 of 30
Kinetic Energy
1/2 x Mass x Velocity2
7 of 30
Gravitational Potential Energy
Mass x Gravity x Height
8 of 30
Efficiency
Useful energy output / Energy input x 100%
9 of 30
Work Dome (J)
Force (N) x Distance (m)
10 of 30
Power (W)
Work Done (J) / Time taken (s)
11 of 30
Pressure (Pa) - In Solids
Force (N) / Area (m2)
12 of 30
Pressure (Pa) - In liquids
Density (kg/m3) x Gravity (m/s2) x Height (m)
13 of 30
Pressure Changes
P1 V1 = P2 V2
14 of 30
Thermal Capacity
Specific heat capacity (J/kg) x Mass
15 of 30
Specific heat capacity
Energy Transferred / Mass x Temperature Change
16 of 30
Specific Latent heat of Fusion / Vaporization
Energy transferred / Mass
17 of 30
Frequency
1 / Period
18 of 30
Speed (m/s) - Waves
Frequency (Hz) x Wavelength (m)
19 of 30
Refractive Index
Speed of light in a vacuum / Speed of light in a medium
20 of 30
Refractive index
sin i / sin r
21 of 30
Charge (C)
Current (A) x Time (s)
22 of 30
Voltage
Energy / Charge
23 of 30
Resistance
Voltage / Current
24 of 30
Electrical Power
Voltage (v) X Current (A)
25 of 30
Electrical Energy
Voltage (V) x Current (A) x Time (s)
26 of 30
Resistance - In Series
R1 + R2
27 of 30
Resistance - In Parallel
1/R = 1/R1 + 1/R2
28 of 30
Transformers 1
Output Voltage / Input Voltage = Turns on output coil / Turns on input coil ---- Vp / Vs = Np / Ns
29 of 30
Transformers 2
Input Voltage x Input Current = Output voltage x Output Current ---- V1 x I1 = V2 x I2
30 of 30

## Other cards in this set

### Card 2

#### Front

Final speed - Initial Speed / Time

Acceleration

### Card 3

Mass x Gravity

#### Back ### Card 4

Mass / Volume

#### Back ### Card 5

#### Front

Mass x Acceleration

#### Back ## Comments

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