Kinetic energy
The energy of a moving object
Ek = 1/2 mv²
The equation linking kinetic energy, mass and speed
Ek
The symbol for kinetic energy
m
The symbol for mass
v
The symbol for speed or velocity
Joules (J)
The SI unit for energy and work
Kilograms (kg)
The SI unit for mass
Metres per second (m/s)
The SI unit for speed or velocity
Gravitational potential energy
The energy of an object raised against gravity
Ep = mgh
The equation linking gravitational potential energy, mass, gravitational field strength and height
Ep
The symbol for gravitational potential energy
g
The symbol for gravitational field strength
h
The symbol for height
Newtons per kilogram (N/kg)
The SI unit for gravitational field strength
Metres (m)
The SI unit for height