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A pair of tongs has 20 cm long arms that can lift a piece of coal of weight 1.5 kgf, by applying an effort at distance 15 cm from the fulcrum. Calculate the mechanical advantage. 0.75 |
Answer» A pair of tongs has 20 cm long arms that can lift a piece of coal of weight 1.5 kgf, by applying an effort at distance 15 cm from the fulcrum. Calculate the mechanical advantage.![]()
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