Concept of Self-locking, Illustration with a wedge, Archimedes system of pulleys - Mechanical advantage, Demonstration of holding a liter of water by a key chain with a string wound over a peg, Belt friction, Discussion on identifying correct frictional direction in brakes and belt drives, Labeling of tensions as T1 and T2, Influence of the mass of the belt, Example problems.
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19 сен 2024
