# intertias

from sympy import *

# Id = Disk 
# Irodc = Rod center
# Irode = Rod end
# Is = Sphere
# Ip = point
# Ir = Ring 

Id = .5 * I * (r**2)
Irodc = (1/12) * m * (l**2)
Irode = (1/3) * m * (l**2)
Is = (2/5) * m * (r**2)
Ip = m * (r**2)
Ir = m * (r**2)
