The dimensions of a steel washer are: Outside dia. = 28 mm; inside dia. = 14 mm; thickness = 2 mm. Specific gravity of steel = 7.8. Calculate the weight of 200 washers.
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The dimensions of a steel washer are: Outside dia. = 28 mm; inside dia. = 14 mm; thickness = 2 mm. Specific gravity of steel = 7.8. Calculate the weight of 200 washers.
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A machine component weighing 1500 kg is lifted to a height of 20 m. What is the work done in Joules? (Assume, g = 10 m/s²).
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