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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
What is the unit of relative density?
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?
Describe a simple experiment to demonstrate that a liquid enclosed in a vessel exerts pressure in all directions.
State the laws of liquid pressure.
Complete the following sentence :
Pressure at a point inside the liquid is ...................... To its depth.
A block of iron of mass 7.5 kg and of dimensions 12 cm × 8 cm × 10 cm is kept on a table top on its base of side 12 cm × 8 cm.
Calculate:
- Thrust and
- Pressure exerted on the table top
Take 1 kgf = 10 N.
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.
How is the upthrust related to the volume of the body submerged in a liquid?
Select the correct option.
Unit of thrust in the SI system is
The center of gravity of the floating body and the center of buoyance are in the same ______ line.
