A ring and a disk both at rest roll down a hill together. Which rolls slower?
A)ring
B)disk
C)depends on the masses
D)both roll at the same speed
E)need more information

Question

Quizplus · Accepted Answer

The ring rolls slower because it has a larger moment of inertia compared to the disk, assuming both have the same mass and radius. This means the ring distributes its mass further from the axis of rotation, requiring more torque to achieve the same angular acceleration as the disk.

A Ring and a Disk Both at Rest Roll Down