# Physics Equations

Weight (N)
mass (kg) x gravitational field strength (N/kg)
1 of 23
Work done (J)
force (N) x distance (m)
2 of 23
Force applied to a spring (N)
spring constant (N/m) x extension (m)
3 of 23
Moment (N/m)
force (N) x distance (m)
4 of 23
Pressure (Pa)
force (N) / surface area (m^2)
5 of 23
Distance (m)
speed (m/s) x time (s)
6 of 23
Acceleration (m/s^2)
change in velocity (m/s) / time taken (s)
7 of 23
Resultant force (N)
mass (kg) x acceleration (m/s^2)
8 of 23
Momentum (Kg m/s)
mass (kg) x velocity (m/s)
9 of 23
Kinetic energy (J)
0.5 x mass (kg) x speed^2 (m/s)
10 of 23
Gravitational potential energy (J)
mass (kg) x gravitational field strength (g) x height (m)
11 of 23
Power (W)
energy transferred (J) / time (s)
12 of 23
Power (W)
work done (J) / time (s)
13 of 23
Efficiency
useful output energy transfer / total input energy transfer
14 of 23
Efficiency
useful power output / total power input
15 of 23
Wave speed (m/s)
frequency (Hz) x wavelength (m)
16 of 23
Charge flow (C)
current (A) x time (s)
17 of 23
Potential diffeerence (V)
current (S) x resistance (Ω)
18 of 23
Power (W)
potential difference (V) x current (A)
19 of 23
Power (W)
current^2 (A) x resistance (Ω)
20 of 23
Energy transferred (kWh)
power (kW) x time (h)
21 of 23
Energy tranferred (J)
charge flow (C) x potential difference (V)
22 of 23
Density (Kg/m^3)
mass (kg) / volume (m^3)
23 of 23

## Other cards in this set

### Card 2

Work done (J)

#### Back

force (N) x distance (m)

### Card 3

#### Front

Force applied to a spring (N)

Moment (N/m)

Pressure (Pa)