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Arbor Scientific Visible Variable Inertia Set

Visible Variable Inertia Set

Item #96-1010
$24.50 Bundle Discount
Unit Price $24.50
10+ $23.00
In Stock

Visualize rotational inertia by changing mass and radius

The Visible Variable Inertia Set lets students see and feel the relationship between mass, radius, and rotational inertia in a clear, hands-on way. Using two identical transparent disks with adjustable steel spheres, students can easily change how mass is distributed and immediately observe how those changes affect rotational motion. This simple yet powerful setup turns rotational dynamics into an intuitive, visual experience rather than an abstract calculation.

By combining simplicity, visibility, and tactile interaction, the Visible Variable Inertia Set helps students build a deep, intuitive understanding of rotational dynamics.

Why Teachers Love the Visible Variable Inertia Set
  • Hands-on learning: Students physically rearrange mass to explore rotational inertia directly.
  • Clear visual connection: Transparent disks and visible steel spheres make mass distribution easy to see.
  • Quick adjustments: Disks snap apart and back together for fast configuration changes.
  • Concept-focused simplicity: No complex setup—students can concentrate on understanding the physics.
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Product Details

The Visible Variable Inertia Set is a wonderfully simple tool for students to explore the relationship between mass and radius in rotational dynamics. The set includes two identical clear disks, each with eight wells for inserting steel spheres. This allows students to easily change the rotational inertia of the disks by simply rearranging the spheres in the wells.

One key to this set is simplicity. Students can quickly and easily change the orientation of the spheres by pulling apart the two halves of each disk, rearranging the spheres, and then snapping the disk back together. This hands-on approach allows students to physically manipulate the disks and spheres, giving them a more intuitive understanding of the concepts involved.

Another key feature of the Visible Variable Inertia Set is its visual aspect. The steel spheres in the wells provide a clear and visible representation of the relationship between mass and radius. As students change the arrangement of the spheres, they can see firsthand how the rotational inertia of the disk is affected. This visual component is particularly useful for students who may struggle with abstract concepts, as it allows them to see the direct relationship between the physical properties of the spheres and the rotational dynamics of the disk.

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

Product Specifications

Specs:

Each steel sphere is 19 mm (0.75") in diameter

Disks are 112 mm (4.4") in diameter and 27 mm (1.1") wide

Center hole is 3.2 mm (0.125")

What's Included:

2 clear variable inertia disks

8 steel spheres

Warning: California Residents

WARNING: Cancer & Reproductive Harm — www.P65Warnings.ca.gov

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