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Rotational Inertia Demonstrator Manufacturer,Supplier and Exporter in India

Rotational Inertia Demonstrator

Product Code : ILS-FAM-11688

Indian Lab Suppliers supplies the Rotational Inertia Demonstrator (Product ID: 11688) as part of its forces and motion range. It shows how torque and mass distribution control angular acceleration, with the moment of inertia found both by calculation and by experiment.

Quick Answer

A rope wound round a pulley applies the torque. Moving the rope to a pulley of different radius changes the torque, and sliding masses along the arm changes the moment of inertia. Students calculate the moment of inertia from the masses and dimensions, then measure the angular acceleration for a known torque and compare, using τ = Iα. Changes are easy to see even in a quick qualitative demonstration.

Key Specifications

ParameterDetail
Torque changePulleys of different radius
Inertia changeMovable mass on the arm
MethodsCalculated and measured moment of inertia

Where This Is Used

Follow it with the Variable Inertia Set (Product ID: 11684) for rolling objects and the Rotating Platform (Product ID: 11702) for angular momentum. Please confirm the contents and dimensions at quotation. Browse the full Forces and Motion range or related Applied Mechanics products.

Frequently Asked Questions

How is the torque changed?
By moving the rope to a pulley of different radius.

How is the moment of inertia changed?
By moving the mass along the arm.

Can it give numerical results?
Yes, by measuring angular acceleration for a known torque.

Related Categories

Forces and Motion · Applied Mechanics · Physics Lab Equipment

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