- #1
KiNGGeexD
- 317
- 1
Hi I'm new to this forum so still getting used to it!
I have to find the moment of inertia of a circular flywheel which has radius, a and mass m! But also had area density (mass per unit area) of ρ0,
Where ρ0=ρa(1+r/a)
I know moment of inertia is the integral of a^2 dm and in order to get mass m I just multiply the above expression by area of the flywheel which I think is pi*a^2
I end up with a rather foolish answer when I have competed the intergratiom!
Any help would be great
Thanks guys
I have to find the moment of inertia of a circular flywheel which has radius, a and mass m! But also had area density (mass per unit area) of ρ0,
Where ρ0=ρa(1+r/a)
I know moment of inertia is the integral of a^2 dm and in order to get mass m I just multiply the above expression by area of the flywheel which I think is pi*a^2
I end up with a rather foolish answer when I have competed the intergratiom!
Any help would be great
Thanks guys