Simple machines: Pulleys
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Why Snatch Blocks are AWESOME (How Pulleys Work) - Smarter Every Day 228
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How Levers, Pulleys and Gears Work
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Pulling Trees Down With Rope
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Lever Problems Made Simple
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Physics of pulleys: Mechanical advantage of a pulley system
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8.01x - Lect 24 - Rolling Motion, Gyroscopes, VERY NON-INTUITIVE
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How to Design a Wheel That Rolls Smoothly Around Any Given Shape
1:16:39