Learning Resources LER 2442 User Manual

Simply build the foundations
of effort, work and force!
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LER 2442
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Guide

Learning Resources LER 2442 Specifications

General

Brand	Learning Resources
Model	LER 2442
Category	Toy
Language	English

Summary

Pulley System

Pulley Demonstration and Experimentation

Demonstrate pulley function by moving objects and experiment with variations affecting effort.

Inclined Plane

Inclined Plane Demonstration and Experimentation

Show how inclined planes ease lifting and experiment with height to alter effort.

Wedge

Wedge Demonstration

Demonstrate the wedge's function of splitting objects by inserting it between linked bases.

Lever Types

First-Class Lever

Learn about the first-class lever where the fulcrum is in the middle, like a seesaw.

Second-Class Lever

Understand the second-class lever with the load between the fulcrum and effort, e.g., wheelbarrow.

Third-Class Lever

Explore the third-class lever with effort between fulcrum and load, like a fishing pole.

Wheel and Axle

Doorknob Model Demonstration

Create a doorknob model to illustrate how a wheel and axle facilitates object movement.

Car Model Experimentation

Use a car model to compare effort needed to move an object with and without a wheel and axle.