A uniform cylinder rolls, without slipping, from rest down a rough inclined plane which is at an elevation of 30° to the horizontal. Determine its linear acceleration down the plane. A solid sphere...

A uniform cylinder rolls, without slipping, from rest down a rough inclined plane which is at an elevation of 30° to the horizontal. Determine its linear acceleration down the plane.

A solid sphere rolls, without slipping, down a rough inclined plane which is at an elevation of θ to the horizontal. Determine its acceleration.