Apparatus for Demonstrating Circular Motion
Product Code : SCL-PL-11809
Apparatus for Demonstrating Circular Motion (SKU SCL-PL-11809) is a simple centrifugal apparatus for measuring the centripetal force on a mass moving in a circle. From the mass, the speed of rotation and the radius, students calculate the force and compare it with theory. It suits Class 11 physics and first-year college mechanics. Science Lab Supplies produces the apparatus in its Saha, Ambala factory, Plot 448, HSIIDC Industrial Area, India, and quotes schools, colleges, tender contractors and distributors as the maker.
Specifications
Bodies, rod, thread and pointer of the circular-motion set appear as separate rows below. In short, three cylindrical metal bodies, a plastic rod and a 1.5 m / 2 m thread form the rotating system, and a vertically mounted pointer moved sideways to the tip of the suspended mass marks its displacement at each speed.
| Specification | Value |
|---|---|
| SKU | SCL-PL-11809 |
| Type | Simple centrifugal apparatus |
| Bodies | 3 cylindrical bodies |
| Body material | Metal |
| Rod | Plastic |
| Thread | 1.5 m / 2 m |
| Indicator | Vertically mounted pointer |
| Pointer action | Moves laterally to match the pointed tip of the suspended mass |
| Reading | Displacement at a given speed of rotation |
| Calculation | Centripetal force from mass, speed of rotation and radius |
| Manufacturer | Science Lab Supplies, Saha, Ambala, Haryana |
| Country of origin | India |
Applications and Experiments for the Circular Motion Apparatus
The apparatus is used to find the centripetal force F = mω²r on a rotating mass and to show how that force depends on mass, radius and speed. It supports the circular-motion topics of Class 11 and is practical mechanics lab equipment in India for colleges and polytechnics.
- NCERT Class 11 physics (Motion in a Plane): uniform circular motion and centripetal acceleration.
- NCERT Class 11 physics (Laws of Motion): the force needed for circular motion.
- Repeating the measurement with each of the three metal bodies and comparing the results.
- First-year college mechanics: verifying F = mv²/r from measured values, then moving on to rotational inertia with the Inertia Table or the ball-bearing Fly Wheel.
Standard Scope of Supply
Supply includes the centrifugal apparatus with its vertical pointer, three cylindrical metal bodies, the plastic rod and a 1.5 m / 2 m thread. Any extras you request, such as a stopwatch for timing rotations, are itemised separately on the quotation.
Packing, MOQ and Lead Time
One set for demonstration or several for group practicals can be quoted, and the quotation states packing, delivery time and price for that quantity. Timing and motion apparatus from this range can be added at the same time.
Science Lab Supplies has an Importer-Exporter Code and is able to ship to buyers in Vietnam, Malaysia, Peru, Egypt, Iraq and Nigeria. Let us know how many centripetal-force sets you need on the contact page or through the enquiry cart; purchases under tender are explained on the lab tender page.
Frequently Asked Questions
How is centripetal force found with this apparatus?
The pointer marks the radius of the rotating mass at a given speed; with the known mass, speed of rotation and radius, the centripetal force is calculated.
How many masses are included?
Three cylindrical metal bodies are included, together with the plastic rod and a 1.5 m / 2 m thread, so students can repeat the measurement and compare the results for each body.
Is Science Lab Supplies the manufacturer or a trader?
Circular-motion sets of this type are made at the Science Lab Supplies factory in Saha, Ambala, India; you deal with the manufacturer itself, and the quotation is sent from that factory.
Is a stopwatch supplied?
The set covers the apparatus, the three bodies, the rod and the thread. If you need a stopwatch for timing rotations, it can be added to the same quotation.
Related Rotation and Motion Apparatus
Circular motion links to rotation, pendulum work, timing and orbital models. These Physics Lab and Applied Mechanics items support that group of lessons, from rotators and loop tracks to an orrery, and any of them can be quoted with this apparatus in a single order for the mechanics laboratory.
- Whirling Table — hand rotator usable in a vertical or horizontal position.
- Air-Bearing Rotational System — rotating disk with crossbar and a 0–360° scale in 1° divisions.
- Loop-The-Loop Apparatus — 20 in high track showing centripetal force as a ball rounds the loop.
- Orbit Orrery — solar system model whose outer orbit measures 380 mm across.
- Mathematical Pendulum Demonstration Apparatus — 150 x 0.1 mm steel rod and a roll of cotton thread.
- Digital Stopwatch — 1/100 second timing with alarm.
- Apparatus for the Study of the Dependence of the Acceleration of the Body on Force When the Mass Remains at C. — includes a track for curved movement of the carts.
Browse the full Physics Lab range, the Applied Mechanics range, or all physics lab equipment.
Last updated: 22 October 2026
