Formula for kinetic energy
Ek = 1/2 mv²
(0.5 x mass x (speed)²
Formula for elastic potential energy
U = ½ ke²
(0.5 x spring constant x (extension)²
Formula for gravitational potential energy
GPE = mgh
Gravitational potential energy = mass x gravitational field strength x height
Formula for Change in thermal energy
ΔE = mcΔT
Change in thermal energy = mass x specific heat capacity x temperature change
Formula for charge flow
Q=It
charge flow = current x time
Formula for potential difference
V=IR
p.d = current x resistance
Formula for Power that links power, p.d and current
P=VI
power = p.d x current
Formula for energy transferred that links energy transferred, power and time
E=Pt
Energy = power x time
Formula for energy transferred that links energy transferred, charge flow and p.d
E=QV
Energy = charge flow x p.d
Formula for Power that links power, current and resistance
P=I²R
power = current² x resitance
Formula for weight
W = mg
weight = mass x gravitational field strength
Formula for speed
s = D/t
speed = Distance/ Time
Formula for force that links force, mass and acceleration
F = ma
Force = mass x acceleration
Formula for force that links force, change in momentum and time taken
F = mΔv/Δt
Force = change in momentum/time taken
Formula for acceleration that links acceleration, change in velocity and time
a= Δv/t
acceleration = change in velocity / time
Formula for density
Density = mass/volume
Formula for power that links power, energy transferred and time
P = E/t
Power = Energy/time
