The kinetic energy is given by:
Ek = mv2 / 2
Where we have:
m: mass
v: velocity
Kinetic energy for an object rotating about axis O is given by:
Ek = Ioω2 / 2
Where we have:
ω: angular speed
Io: moment of inertia
The potential energy is given by:
dEp = -F · dr
Where we have:
F: force
r: displacement of the object