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प्रश्न
A body floats in a liquid with a part of it submerged inside the liquid. Is the weight of floating body greater than, equal to or less than the upthrust?
While floating, is the weight of body greater than, equal to or less than upthrust?
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उत्तर
When the body floats then weight of the body is equal to the upthrust acting on the body.
संबंधित प्रश्न
What are the units density in (i) C.G.S. and (ii) S.I. system .
Water is heated from 0°C to 10°C . How does the density of water change with temperature?
Explain the following :
An egg sinks in fresh water, but floats in a strong salt solution.
If the density of ice is 0.9 g cm-3, then what portion of an iceberg will remain below the surface of water in sea? (Density of sea water = 1.1 g cm-3)
A wooden block floats in water with two-third of its volume submerged.
(a) Calculate the density of wood.
(b) When the same block is placed in oil, three-quarters of its volume is immersed in oil. Calculate the density of oil.
A solid lighter than water is found to weigh 7.5 gf in air. When tied to a sinker the combination is found to weigh .If the sinker alone weighs 72.5 gf in water, find R.D. of solid.
When a piece of ice floating in water melts, the level of water inside the glass remains same. Explain.
Write the SI units of Density
If 2/3rds of a piece of wood submerges in water and 3/4ths of the same piece of wood submerges in oil. Find the density of the oil.
