Advertisements
Advertisements
प्रश्न
A homogeneous block floats on water (a) partly immersed (b) completely immersed. In each case state the position of centre of buoyancy B with respect to the centre of gravity G of the block.
Advertisements
उत्तर
When the body is partially immersed, its centre of buoyancy will be below the centre of gravity of the block.
When the body is completely immersed, its centre of buoyancy will coincide the centre of gravity.
APPEARS IN
संबंधित प्रश्न
In which direction does the buoyant force on an object due to a liquid act ?
An object of weight 200 N is floating in a liquid. What is the magnitude of buoyant force acting on it ?
A body floats in a liquid when its weight becomes equal to the weight of the liquid displaced by its submerged part.
A body while floating sinks deeper in a liquid of low density than in a liquid of high density.
Which of the following will sink or float on water? (Density of water = 1 g Cm-3)
body C having density 1100 kg m-3
The density of water is 1.0 g Cm-3. The density of iron is 7.8 × 10″3 g Cm-3. The density of mercury is 13.6 g Cm-3.
Ans the following:
Will a piece of iron float or sink in water?
The diagram given below show a body floating in three different liquids. A, B and C at different levels.
(a) In which liquid does the body experience the greatest buoyant force?
(b) Which liquid has the least density?
(c) Which liquid has the highest density?

The pressure P1 at a certain depth in river water and P2 at the same depth in sea water are related as :
A vessel contains water up to a height of 1.5 m. Taking the density of water 103 kg m-3, acceleration due to gravity 9.8 m s-2 and area of base of vessel 100 cm2, calculate: (a) the pressure and (b) the thrust at the base of vessel.
It is easier to lift a heavy stone under water than in air. Explain.
