Advertisements
Advertisements
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?
Advertisements
उत्तर
When the body floats then weight of the body is equal to the upthrust acting on the body.
संबंधित प्रश्न
Assuming the density of air to be 1.295 kg m-3, find the fall in barometric height in mm of Hg at a height of 107 m above the sea level. Take density of mercury = 13.6 × 103 kg m-3.
A body of volume 100 cm3 weighs 5 kgf in air. It is completely immersed in a liquid of density 1.8 × 103 kg m-3. Find:
- The upthrust due to liquid and
- The weight of the body in liquid.
Define the term density.
Express the relationship between the C.G.S. and S.I. units of density.
The density of water is :
Explain the following :
An egg sinks in fresh water, but floats in a strong salt solution.
Explain the following :
As a ship in harbour is being unloaded, it slowly rises higher in water.
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 body of mass ‘m’ is floating in a liquid of density ‘p’
what is the loss of weight of body?
