結果 : what is a block and tackle in physics
8:03

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ICSE CLASS 10th PHYSICS: MACHINES 06: Block & Tackle System Explained

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Block and Tackle Part 1

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mechanical advantage explained (lever, block and tackle, inclined plane)

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ICSE CLASS 10th PHYSICS: MACHINES 05: BLOCK AND TACKLE SYSTEM OF PULLEYS

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Block and tackle system

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