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What is a pulleys purpose
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What is a pulleys purpose

User George Papatheodorou
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The purpose of a pulley is to lift objects up ,say a water well .There are two types of pulleys a moveable pulley and a fixed pulley .
User LicenseQ
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A wheel with a grooved rim around which a cord passes. It acts to change the direction of a force applied to the cord and is chiefly used (typically in combination) to raise heavy weights.
User Mensi
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