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प्रश्न
How does the liquid pressure on a diver change if :
The diver moves horizontally?
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उत्तर
When the diver moves horizontally, his depth from the free surface remains constant and hence the pressure on him remains unchanged.
संबंधित प्रश्न
An object of weight 200 N is floating in a liquid. What is the magnitude of buoyant force acting on it ?
A body experiences the same buoyant force when it floats or sinks in water.
The density of a body which sinks in water is ......... than 1000 Kg m-3.
How does the pressure exerted by a solid and fluid differ?
The S.I. unit of pressure is :
The area of base of a cylindrical vessel is 300 cm2. Water (density= 1000 kg m-3) is poured into it up to a depth of 6 cm. Calculate : (a) the pressure and (b) the thrust of water on the base. (g = 10m s-2.
Two cylindrical vessels fitted with pistons A and B of area of cross-section 8 cm2 and 320 cm2 respectively are joined at their bottom by a tube and they are completely filled with water. When a mass of 4 kg is placed on piston A, Find:
- the pressure on piston A,
- the pressure on piston B, and
- the thrust on piston B.
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.
What do you mean by buoyancy?
What is meant by up thrust?
