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Disk and a hoop

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A disk and a hoop of the same mass and radius are released at the same time at the top of an inclined plane. Which object reaches the bottom of the incline first?

The hoop
The disk
Both reach the bottom at the same time.
It depends on the angle of inclination.

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https://brainmass.com/physics/gravity/disk-hoop-116836

Solution Summary

The solution discusses which object reaches the bottom of an incline first. Gravity and momentum of inertia is explained.

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See Also This Related BrainMass Solution

Disk, Hoop, and a Sphere Rolling Down an Incline

A disk, a hoop, and a sphere are released at the same time at the top of an inclined plane. They all roll without slipping. In what order do they reach the bottom?

A. disk, hoop, sphere
B. sphere, disk, hoop
C. hoop, sphere, disk
D. hoop, disk, sphere.

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