A ring,a disk,and a solid sphere begin rolling down a hill together.The one to reach the bottom first is the
A)ring.
B)disk.
C)sphere.
D)They all reach the bottom at the same time.
E)Not enough information is given.

Question

Quizplus · Accepted Answer

The solid sphere reaches the bottom first because it has the smallest moment of inertia relative to its mass, allowing it to accelerate faster than the ring and disk.

A Ring,a Disk,and a Solid Sphere Begin Rolling Down a Hill