In the Hoop & Disk racing demonstration, why did the disk win? O It is less massive than the hoop. O It has a greater rotational inertia than the hoop O It's mass was distributed more evenly about, and closer to, the axis of rotation. O It didn't, the hoop won.

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter11: Angular Momentum
Section: Chapter Questions
Problem 70P: The centrifuge at NASA Ames Research Center has a radius of 8.8 m and can produce farces on its...
icon
Related questions
Question
In the Hoop & Disk racing demonstration, why did the disk win?
It is less massive than the hoop.
O It has a greater rotational inertia than the hoop
O It's mass was distributed more evenly about, and closer to, the axis of rotation.
O It didn't, the hoop won.
Transcribed Image Text:In the Hoop & Disk racing demonstration, why did the disk win? It is less massive than the hoop. O It has a greater rotational inertia than the hoop O It's mass was distributed more evenly about, and closer to, the axis of rotation. O It didn't, the hoop won.
Expert Solution
Step 1

Introduction:

The rotational kinetic energy of the object depends upon the moment of inertia and angular speed of the object, here moment of inertia of the hoops is greater than moment of inertia of the disk. 

steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
University Physics Volume 1
University Physics Volume 1
Physics
ISBN:
9781938168277
Author:
William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:
OpenStax - Rice University
Glencoe Physics: Principles and Problems, Student…
Glencoe Physics: Principles and Problems, Student…
Physics
ISBN:
9780078807213
Author:
Paul W. Zitzewitz
Publisher:
Glencoe/McGraw-Hill
College Physics
College Physics
Physics
ISBN:
9781938168000
Author:
Paul Peter Urone, Roger Hinrichs
Publisher:
OpenStax College
Physics for Scientists and Engineers: Foundations…
Physics for Scientists and Engineers: Foundations…
Physics
ISBN:
9781133939146
Author:
Katz, Debora M.
Publisher:
Cengage Learning
Physics for Scientists and Engineers, Technology …
Physics for Scientists and Engineers, Technology …
Physics
ISBN:
9781305116399
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Principles of Physics: A Calculus-Based Text
Principles of Physics: A Calculus-Based Text
Physics
ISBN:
9781133104261
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning