Description
One pulley can be used to change the direction of the force applied by a cord several pulleys can be used to make this simple machine. A small force on the cord can be used to lift a large weight. Experimenting with the device shows why: lifting the block by a short distance requires that the cord be pulled a long distance. This classic wooden model offers children a basic concept of the laws of physics. Desktop sized.
Key Features:
- Illustrate the principle behind the operation of a simple machine.
- Learn basic physics principals in a direct, hands-on fashion.
- Model contains a detailed activity guide which includes the history of the model, practical applications and classroom experiments.
- Handcrafted from replenishable and durable rubber wood, an eco-friendly sustainable and high quality hardwood.
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