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

## 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.

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rock.freak667
Homework Helper
Torque is the rate of change of angular momentum

if angular momentum = Iω, that is torque then?

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

Thanks, you guys are awesome