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17 May, 04:19

Q. A body weighs 50 N in air and when immersed in water it weighs only 40 N. Find its relative density.

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  1. 17 May, 06:07
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    The relative density is the ratio of a substance being measured with its reference which is usually water.

    In hydrostatic weighing where force is involved, the formula to use is:

    RD = Density in air / Density in air - Density in water

    Therefore = 50/50-40 = 50/10 = 5

    RD = 5N
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