Ring and Disk Apparatus

Item # P3-3540

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Two objects of equal mass and equal radius - one a solid disk and the other a ring - roll down an incline. Which reaches the end first?

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Additional Details

Demonstration size Ring and Disk - a classic for your classroom!

In this classic discrepant event, two objects of equal mass and equal radius roll down an incline. One is a solid disk and the other is a ring. Which reaches the bottom first?

Students must consider the distribution of mass, how it affects rotational inertia, and how inertia affects motion. 

Ramp not included.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.

Resources

What’s Included

  • Metal Ring
  • Wooden Dsik

Features & Specs

Features

  • Large and durable, perfect for a classroom demonstration

Specifications

  • Diameter - 15 cm
  • Width - 5 cm
  • Weight - 1.45 Lbs

Conceptual Academy Videos

Rotational Motion: Rotational Inertia

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