Equation for torque of a cylinder, a hollow cylinder, and a sphere.

[nlingraham]

Homework Statement

What is the equation for the torque of a cylinder, a hollow cylinder, and a sphere rolling down an incline?

Homework Equations

This is what I don't know

The Attempt at a Solution

I have no idea where to start.

 

[rock.freak667]

Torque is the rate of change of angular momentum

if angular momentum = Iω, that is torque then?

 

[zachzach]

What is the equation for torque? Similarly to F = ma, the equation for torque is
$$T$$ $$=$$ $$I$$$$\alpha$$

 

[nlingraham]

Thanks, you guys are awesome