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Equipment For Studying Rotational Motion Manufacturer,Supplier and Exporter in India

Product Code : EL-TWL-9174
Jlab Export is a leading Equipment For Studying Rotational Motion Manufacturer,and suppliers in India

This rotational motion set turns a platform, a disk or a ring so students can measure moment of inertia, torque and angular momentum. A 24 V DC motor gives continuous rotation, or the system is turned by hand. The 23 cm disk and the ring differ enough in moment of inertia for students to feel it as they spin them.

Specifications

Turning platform	Base support 22 x 22 cm, track 51 x 4 cm
Disk	23 cm diameter
Ring	12.5 cm outer, 10.5 cm inner diameter
Trucks	Two, one mobile and one fixed
Motor	DC, 24 V, 1500 rpm
Timing	Chronometer
Other parts	Adapters, pulley and rod, springs, masses
Centrifugal force	Accessories included
Sensor mounting	Adapters for angular position, speed and acceleration sensors
Minimum order quantity	1 unit
Dispatch time	Usually 7–10 working days
Manufacturer	JLab (Jain Laboratory Instruments Pvt Ltd), Ambala, India

Rotational Dynamics Experiments for Students

To find a moment of inertia, students wind a cord round the pulley, hang a mass and let it fall. The cord tension gives a torque τ, the fall gives the angular acceleration α, and I = τ / α. Repeating the test with the disk about two axes, and with the ring, shows that mass placed further from the axis adds more to I. The sizes can be checked with a Vernier Caliper and the parts weighed on a Digital Balance. The result can then be set against ½ M R² for a disk.

For conservation of angular momentum, the disk spins on its own and the ring is dropped onto it. The angular speed falls in the ratio I1 / (I1 + I2), which students check from the speeds before and after. A mass point moved along the track, or the projectile version of the test, shows the same law. Speed readings can come from a sensor fitted with the adapters and recorded on a Datalogger.

Frequently Asked Questions

What does the motor do in these experiments?
The 24 V DC motor, rated at 1500 rpm, drives the support for continuous rotation. It is used for the centrifugal force tests and for steady-speed runs. Inertia and momentum tests are usually started by a falling mass or by hand.

Can the experiments be done without sensors?
Yes. The set includes a chronometer, so rotation and fall times can be taken by hand. The adapters are there for angular position, speed and acceleration sensors when a logging system is available.

Why measure the disk about two axes?
A disk turned about its central axis has I = ½ M R². Turned about a diameter it has half that, ¼ M R². Measuring both shows students that the moment of inertia depends on the axis, not only on the mass and size.

What is the offset disk test?
The disk is mounted away from the axis, either fixed or free to turn. When fixed it adds its own I plus M d², by the parallel axis theorem. When free to turn on its bearing it adds only M d², and the difference shows up in the measured inertia.

How does this set differ from the centrifugal force rig?
This set covers rotational inertia, angular momentum, couple and friction, with centrifugal force as one of its tests. The Equipment For Studying Centrifugal Force is a dedicated rig with a truck on a graduated rail, a geared motor and mounts for force and photogate sensors.