The model demonstrates the conditions of equilibrium on a differential pulley block. Three anodised aluminium pulleys of different diameter are fitted to a shaft mounted on ball bearings. The forces act, on the one hand, directly on the peripheral of the largest pulley, on the other hand, via a loose pulley on two smaller pulleys. Easy to interchange weights permit the load to be varied such that equilibrium is obtained. The model is intended for wall mounting.
1. Experiment on the equilibrium of forces and moments on a differential pulley block
2. 3 pulleys made of anodised aluminium
3. 2 sets of weights
4. Ball bearing mounted steel shaft
5. Anodised aluminium base plate
– D=250mm
– D=100mm
– D=50mm
– D=75mm
– 2x 1N (hanger)
– 4x 0.5N
– 4x 1N
– 4x 2N
– 4x 5N
– wxh: 300x250mm
– hole spacing: 280x230mm, D=10mm
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