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EM 049 Equilibrium of moments on a two-arm lever



  • Fundamentals of the equilibrium of moments and application of the law of levers


Technical Description
EM 049 is used to investigate the fundamentals of the equilibrium of moments based on the example of a two-arm lever. Moments occurring on the lever are to be brought to equilibrium.

A centrally mounted beam represents a two-arm lever. Movable riders are placed on the lever and loads are applied. Equilibrium is attained by moving the loads. Distances from the pivot point - the lever arms - can be read from an integrated scale. The calculation of the lever arms is verified in the experiment.

A vertical column carries the lever. A sturdy base plate ensures that the unit stands securely.

The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments.

Learning Objectives / Experiments
- fundamentals of the equilibrium of moments: applied forces, generated moments and equilibrium
- action of forces dependent on the lever arm


[1] investigation of the equilibrium of moments on a two-arm lever
[2] ball bearing-mounted beam with integrated scale as two-arm lever
[3] 18 loads, 3 hangers
[4] sturdy metal frame
[5] storage system to house the components

Technical Data

   - LxWxH: 600x30x10mm, centrally ball bearing-mounted
   - lever length: 2x 300mm

   - 3x 1N (hangers)
   - 6x 5N
   - 12x 1N

Dimensions and Weight
LxWxH: 600x300x410mm
Weight: approx. 10kg

Storage system:
LxWxH: 200x70x40mm
LxWxH: 95x68x35mm

Scope of Delivery
1 experimental unit
1 set of loads
1 set of instructional material

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