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Block & Tackle
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Price:
$27.75
One pulley can be used to change the direction of the force applied by a cord. A small force on the cord can be use 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 ... More. |
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Block and Tackle – Demonstration Model
Price:
$94.95
Each Demonstration Model measures approximately 2-1/2 times the size of the student version and is great for classroom demonstration. One pulley can be used to change the direction of the force applied by a cord. A small force on the cord can be use... More. |
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Prices listed are U.S. Domestic prices only and apply to orders shipped within the United States.
Orders from outside the United States may be charged additional distributor, customs, and shipping charges.
Orders from outside the United States may be charged additional distributor, customs, and shipping charges.
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