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There are more than one pulley system

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fishing rods have pulleys

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how meny thing can thay lift

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Students: Science: Grade 4 Pulleys & Gears

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no

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Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.

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gears pulley

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Set 3 - Gears and Pulleys | Cogworks - Educational Science Tools and Museum Exhibits

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Cogworks Set 3 provides the necessary spark to get middle and high school students enthused about science and physics. Set3 is one of the new wave of tools being used to reinvigorate American school science education. Unlike Set2 , Set3 features gears & pulleys that can be stacked to create more complex mechanical designs.

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pulles halp things move

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i know that  pulleys  and gears are strong

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Students: Science: Grade 4 Pulleys & Gears

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if you turn one of the gears the other one will start moving

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i know pullys and gears move

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gears are in robots

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That they use them to pull things up from under ground .I wonder how when you pull the string on the curtain the curtain goes up.

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