Disk for the Balance of Moments
Product Code : SCL-PL-11807
Disk for the Balance of Moments (SKU SCL-PL-11807) is a vertical, freely turning disk on which loads are hung at different radii to test the conditions for rotational equilibrium. Because loads can be placed at many points, it shows the principle of moments with several loads acting at once. The disk and stand are manufactured by Science Lab Supplies on Plot 448, HSIIDC Industrial Area, Saha, Ambala, India, which prices them for schools, colleges, tender contractors and distributors without a go-between.
Specifications
Disk, bearing, stand and load points of the balance-of-moments disk are separated into single rows below. In short, a well-balanced machined aluminium disc of at least 245 mm turns on a ball bearing in a vertical plane on a tripod stand with triangular base, and four pins with scale pans fit any of its concentric holes.
| Specification | Value |
|---|---|
| SKU | SCL-PL-11807 |
| Disk material | Machined aluminium, well balanced |
| Disk diameter | Not less than 245 mm |
| Rotation | Turns smoothly about its axis |
| Bearing | Ball bearing |
| Mounting | Clamped on a tripod stand in a vertical plane |
| Stand base | Triangular base |
| Balancing base | Base for balancing the device |
| Holes | Placed symmetrically in concentric circles |
| Load points | 4 pins carrying scale pans, inserted at any desired hole |
| Masses | Box of 10 weighing masses with heavy hooks |
| Mass values | 50 g x 100 g |
| Manufacturer | Science Lab Supplies, Saha, Ambala, Haryana |
| Country of origin | India |
Applications and Experiments for the Disk for the Balance of Moments
The disk is used to verify that a body free to rotate stays at rest when the sum of clockwise moments equals the sum of anticlockwise moments. Loads at several radii make it a clear extension of simple lever work in school physics and in college mechanics practicals.
- ICSE Class 10 physics: principle of moments with several forces, after first balancing a half-metre arm on the Lever/Force into Force Arm Apparatus.
- NCERT Class 11 physics (System of Particles and Rotational Motion): torque and rotational equilibrium.
- Showing that a load's moment depends on its perpendicular distance from the axis, not only its radius.
- Polytechnic applied mechanics: equilibrium of coplanar forces, compared with the two-wheel Wheel And Axle, On Stand.
Standard Scope of Supply
A set comprises the machined aluminium disc on its ball bearing, the tripod stand with triangular base, a base for balancing the device, four pins with scale pans, and a box of ten hooked masses. Anything extra you request is listed separately on your quotation.
Packing, MOQ and Lead Time
You are welcome to ask for a single disk or a full class quantity; the quotation sets out packing, delivery time and price for exactly what you request. It can also carry other school physics lab equipment in India from this range.
Using its Importer-Exporter Code, Science Lab Supplies can ship to buyers in Qatar, Sri Lanka, Vietnam, Malaysia, Peru and Egypt. Give us the number of moment disks for your statics bench through the contact page or the enquiry cart; when a tender applies, start from the lab tender page.
Frequently Asked Questions
What does the disk for the balance of moments show?
It shows that a disk free to turn stays balanced when the clockwise and anticlockwise moments of all the loads are equal, using pins and scale pans placed at different radii.
What is the disk made of?
The disc is well-balanced machined aluminium, at least 245 mm in diameter, and turns smoothly on a ball bearing while clamped in a vertical plane on its tripod stand.
Is Science Lab Supplies the manufacturer or a trader?
Both disk and stand are made at the company's own works in Saha, Ambala, India; being their manufacturer, Science Lab Supplies prepares every quotation there without any agent.
How many load points does it have?
Four pins carrying scale pans are supplied, and each can be inserted into any hole of the concentric circles on the disc, so up to four loads act at once.
Related Moments and Force Apparatus
The balance of moments ties together levers, turning forces and force measurement. These Physics Lab and Applied Mechanics items support those neighbouring practicals, from a second moments disc and lever sets to a force table and spring balances, and each can be added to the same quotation for a complete statics bench.
- Apparatus for Demonstrating the Moment of Force — 700 mm stand on a static metal base with 1 N and 2 N dynamometers.
- Moments Disc Apparatus — aluminium disc with two pins and scale pans, plus a plumb line.
- Demonstration Lever Balance — vertical stem, zero offset rod and balance needle.
- Lever Apparatus — 100 cm lever with a centre or off-centre pivot and a set of masses.
- Complete Mechanics Kit — disc of moments on magnet with a set of lugs and hook weights of 50, 100 and 200 g.
- Force Table — four sets of 150 g slotted masses with keyhole pattern.
- Set of Dynamometers — acrylic tubular balances with dual scales in grams and newtons.
Browse the full Physics Lab range, the Applied Mechanics range, or all physics lab equipment.
Last updated: 22 October 2026
