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Variable Inertia Set Manufacturer,Supplier and Exporter in India

Product Code : ILS-FAM-11684

Indian Lab Suppliers supplies the Variable Inertia Set (Product ID: 11684) as part of its forces and motion range. Two discs of equal mass and diameter take steel balls in different positions to show how mass distribution changes rotational inertia.

Quick Answer

Each plastic disc comes in two hollow halves (four halves in all) with moulded compartments inside. Loading the 19 mm steel balls round the rim, at the centre or in a line across changes a disc from "centre heavy" to "rim heavy" without changing its mass or diameter. Rolled down the same slope, the rim-heavy disc has the larger moment of inertia, puts more of its energy into rotation, and reaches the bottom later. Please confirm the number of steel balls supplied at quotation.

Key Specifications

Parameter	Detail
Discs	2 plastic discs, each in 2 halves
Mass and diameter	Same for both discs
Balls	Steel, 19 mm
Ball positions	Rim, centre, straight line across

Where This Is Used

Race the discs down the Inclined Plane (Product ID: 11673); for measured torque and angular acceleration, move on to the Rotational Inertia Demonstrator (Product ID: 11688). Browse the full Forces and Motion range or related Applied Mechanics products.

Frequently Asked Questions

What size are the balls?
19 mm steel balls.

Do both discs have the same mass?
Yes, the same mass and the same diameter.

Which disc rolls down faster?
The one with the balls near the centre.

Related Categories

Forces and Motion · Applied Mechanics · Physics Lab Equipment

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