# Physics Equations

Weight
mass x gravitational field strength (W=mg)
1 of 24
Work Done
force x distance (along the line of action of the force) (W=Fs)
2 of 24
Force applied to a spring
spring constant x extension (F=ke)
3 of 24
Distance travelled
speed x time (s = vt)
4 of 24
Acceleration
change in velocity/time taken
5 of 24
Resultant force
mass x acceleration (F=ma)
6 of 24
Momentum
mass x velocity (p=mv)
7 of 24
Kinetic Energy
0.5 x mass x (speed)squared (
8 of 24
Gravitational potential energy
mass x gravitational field strength x height (GPE=mgh)
9 of 24
Power (energy transferred)
energy transferred/time (P=E/t)
10 of 24
Power (work done)
work done/time (P=W/t)
11 of 24
Efficiency
useful output energy/total input energy
12 of 24
Wave speed
frequency x wavelength
13 of 24
Charge flow
current x time (Q=It)
14 of 24
Potential difference (OHM's LAW)
current x resistance(V=IR)
15 of 24
Power (potential difference)
potential difference x current (P=VI)
16 of 24
Power (current squared)
current (sqaured) x resistance
17 of 24
Energy transferred (power)
power x time(E=Pt)
18 of 24
Energy transferred (charge flow)
charge flow x potential difference (E=QV)
19 of 24
Density
mass/volume(p = mv)
20 of 24
Specific heat capacity
energy transferred=mass x specific heat capacity x change in temperature
21 of 24
Horizontal component
Cos=A/H
22 of 24
Vertical component
Sin=O/H
23 of 24
Stopping distance
thinking distance + braking distance
24 of 24

## Other cards in this set

### Card 2

Work Done

#### Back

force x distance (along the line of action of the force) (W=Fs)

### Card 3

#### Front

Force applied to a spring

### Card 4

#### Front

Distance travelled

Acceleration