A Hoop, a Uniform Disk, and a Uniform Sphere, All

question 52

Multiple Choice

A hoop, a uniform disk, and a uniform sphere, all with the same mass and outer radius, start with the same speed and roll without sliding up identical inclines.Rank the objects according to how high they go, least to greatest.

• A)hoop, disk, sphere
• B)disk, hoop, sphere
• C)sphere, hoop, disk
• D)sphere, disk, hoop
• E)hoop, sphere, disk