LEARNING ADVANTAGE ELEMENTARY PHYSICS KIT BLOCK & TACKLE

Sku:

CRU512

Upc:

0895452001480

(0)
$12.53 / EA
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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

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