Equilibrium and simple machines
Product Code : SCL-MH-12589
Master the fundamentals of force, balance, and mechanical advantage with the premium Equilibrium and Simple Machines Demonstration Kit, engineered with elite manufacturing standards by Educational Instrument India. This extensive high-fidelity mechanics setup is custom-designed for academic classrooms, industrial engineering training labs, and institutional science environments to convert theoretical vector math into real-time physical confirmations.
How do simple machines transform input work into amplified output forces? How do forces balance out to preserve perfect static equilibrium? This interactive kit provides clear, demonstrable answers. It features a versatile structural backboard and modular components that allow students to systematically reconstruct, analyze, and test every foundational simple machine—including levers of all three classes, complex tackle/pulley configurations, inclined planes, and torque-driven wheel-and-axle mechanisms.
Comprehensive Mechanics Sandbox: Empowers instructors to teach static equilibrium, coplanar forces, center of gravity, torque, and the law of moments using a single cohesive kit.
Industrial-Grade Durability: Fabricated with structural anodized aluminum pillars, zero-friction ball-bearing pulley wheels, and precision-stamped brass metrics designed to survive heavy classroom usage cycles.
High Precision Calibration: All force tracks, angular scales, and balance levers feature laser-etched markings for exact data reading, minimizing margin of error during quantitative STEM laboratory exams.
Whether calculating the theoretical mechanical advantage (TMA) versus actual mechanical advantage (AMA) or validating the constraints of translational equilibrium and rotational equilibrium , this robust apparatus serves as an elite, high-retention instructional foundation for modern scientific training.
- Product Specifications
Brand Name: Educational Instrument India
Model Number: EII-EQSM-2026 / Expert Mechanics Series
Educational Target: Secondary Physics Classrooms, Engineering Academies, and Polytechnic Institutes
Material Construction: High-tensile Anodized Aluminum Alloys, Hardened Brass Fittings, Machined Stainless Steel Rods
Modular Components Kit: * Heavy-Duty Universal Magnetic/Clamp Workboard Base
Calibrated Meter Stick Lever Arm with Adjustable Knife-Edge Fulcrum
Low-Friction Pulley Wheels (Single, Double, and Tandem configurations)
Variable-Angle Inclined Plane with Low-Friction Roller Cart
Multi-Diameter Wheel and Axle Assembly
Precision Hooked Slotted Weight Sets (10g, 20g, 50g, 100g, 200g)
Circular Protractor Plate (360-degree laser-etched scale)
Quality Certifications: ISO 9001:2015 Quality Management Standards, CE Safety Tracking Certified
Net Shipping Weight: 5.40 kg (Packaged securely in impact-resistant, molded foam hardcase)
Assembled Profile: 600 mm x 400 mm x 180 mm
- How to Use It: Practical Lab Implementation
Experiment 1: Verifying the Law of Moments & Rotational Equilibrium
Mount the calibrated lever bar onto the universal stand via the center knife-edge pivot. Ensure it balances horizontally at rest to confirm initial equilibrium.
Suspend a known slotted mass (e.g., 100g) on the left arm at a measured distance from the fulcrum axis (Effort Distance
Calculate the torque applied on the left side.
Instruct students to place a different mass configuration (e.g., 200g) on the right arm and slide its bracket position until the lever returns to a perfectly level horizontal plane.
Record the secondary distance , validating the law of conservation of energy and rotational stability.
Experiment 2: Calculating Mechanical Advantage in Complex Pulley Systems
Affix the primary vertical supporting frame column onto the heavy metal workspace baseplate.
Construct a block-and-tackle assembly using one fixed double pulley at the apex and one moving double pulley below it.
Attach a designated load mass to the lower hook of the moving pulley.
Thread the high-tensile braided test cord through the track channels and hook the opposite end to a spring dynamometer scale or balancing counterweights.
Measure the minimal force required to lift the load mass. Compare the number of supporting rope segments against the actual force reduction ratio to compute system efficiency and frictional loss boundaries.
Experiment 3: Assessing Force Vectors on an Inclined Plane
Hinge the calibrated metal tracking ramp to the variable angle mount baseplate.
Adjust the incline gradient to a target slope angle (e.g., 30 degrees) using the integrated protractor tool.
Place the rolling experiment carriage onto the track, tying it via a low-friction cord to an suspended end weight dangling over the apex pulley.
Vary the suspended weight mass until the carriage stays completely static on the slope. Prove that the balancing force equals mass times gravity multiplied by the sine of the angle , demonstrating translational balance vectors.
- Frequently Asked Questions (FAQ)
Q1: Can this kit be used to run quantitative physics problems, or is it strictly illustrative?
Ans: This apparatus is optimized for highly accurate quantitative laboratory physics. Because every track, bar, and pulley possesses exact laser-etched metric parameters and minimal internal friction coefficients, experimental metrics track tightly with mathematical predictions, making it ideal for grading lab reports and conducting board-level exams.
Q2: What maintenance routines are required to keep the pulleys and balances functioning properly?
Ans: The kit requires minimal long-term upkeep. Pulleys are pre-fitted with internal sealed steel ball-bearings that don't need regular oiling. We recommend wiping down structural aluminum beams and chrome parts with a microfiber dry cloth after each practical lab session to clear off natural finger oils, storing elements safely inside the provided custom hardcase.
Q3: Are all weight sets included out of the box, or must slotted weights be purchased separately?
Ans: Every kit contains a dedicated, calibrated assortment of precision hooked slotted weights ranging from 10 grams up to 200 grams, totaling over 1 kg of mass blocks. This assortment provides ample configurations to conduct all standard textbook mechanics experiments concurrently without requiring secondary weight sets.
Q4: How do I request wholesale purchasing options for public or school district contracts?
Ans: As a primary global exporter and vendor, Educational Instrument India manages dedicated high-volume procurement teams. Please submit your tender documents, institutional quantities, and special shipping requirements through our authorized institutional sales matrix or direct portal contact email to receive verified bulk corporate pricing maps.
