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I'm doing motor sizing calculations. I have two formulas for calculating the moment of inertia for a solid cylinder.
J = 1/2 * m * r^2
OR
J = pi/32 * p * l * r^4
Where
J = inertia
m = mass
r = radius of cylinder
p = density
l = length of cylinder
Can anyone tell me what the missing part of this equation is please? Is it for metric or imperial density?
J = 1/2 * m * r^2
OR
J = pi/32 * p * l * r^4
Where
J = inertia
m = mass
r = radius of cylinder
p = density
l = length of cylinder
Can anyone tell me what the missing part of this equation is please? Is it for metric or imperial density?