Simple Machines Block & Tackle

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.

Science : Simple Machines

Learning Advantage - CTU512

$24.99

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Quantity Available in warehouse in Semmes, Alabama for Web Orders: 14

(This item is most likely NOT AVAILABLE in our store in St. Louis. To double check or have us find something similar, please call 314-843-2227 with the sku 'CTU512' and let us know how we can help)

Package Dimensions: Length 13.38"    Width 6.63"    Height 4.25"  

Grade: Grade 4+

Age: 9+ years