Wheel and Axle Apparatus
Product Code : EL-AMLE-10642
Quick Answer : This Wheel and Axle Apparatus demonstrates the conditions of equilibrium on a differential pulley block, using three anodized aluminium pulleys of different diameters (D=250mm, D=100mm and D=75mm) fitted to a ball-bearing-mounted shaft, with forces acting directly on the periphery of the largest pulley on one side and, on the other side, via a 75mm loose pulley on the two smaller pulleys. Easy-to-interchange weights (2 sets, including 2x 1N hangers, 4x 0.5N, 4x 1N, 4x 2N and 4x 5N weights) let the load be varied until equilibrium is obtained, and the wall-mounted model is used for experiments on the equilibrium of forces, the equilibrium of moments, and the relationship between force reduction and cord travel.
The model demonstrates the conditions of equilibrium on a differential pulley block, and easy-to-interchange weights let the load be varied so that equilibrium is obtained. Three anodized aluminium pulleys of different diameters are fitted to a shaft mounted on ball bearings; the forces act, on the one hand, directly on the periphery of the largest pulley, and on the other hand, via a loose pulley, on two smaller pulleys. The model is intended for wall mounting.
Learning Objectives / Experiments :
Equilibrium of forces
Equilibrium of moments
Relationship between force reduction and cord travel
Specification :
Experiment on the equilibrium of forces and moments on a differential pulley block
3 pulleys made of anodised aluminium
2 sets of weights
Ball bearing mounted steel shaft
Anodized aluminum base plate
Technical Data :
Pulley diameter :
D=250mm
D=100mm
D=75mm
Set of weights :
2x 1N (hanger)
4x 0.5N
4x 1N
4x 2N
4x 5N
Loose pulley :
D=75mm
Base plate (wxh): 300x250mm
Hole spacing: 280x230mm, D=10mm
Dimensions and Weight :
l x w x h: 300 x 280 x 250 mm
Weight: approx. 15 kg
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Last Updated: September 2026
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