Advertisements
Advertisements
Question
How does the liquid pressure on a diver change if :
The diver moves horizontally?
Advertisements
Solution
When the diver moves horizontally, his depth from the free surface remains constant and hence the pressure on him remains unchanged.
APPEARS IN
RELATED QUESTIONS
What is the unit of relative density?
A plastic cube is released into the water. Will it sink or come to the surface of the water?
What is meant by pressure? State its S.I. unit.
State three factors on which the pressure at a point in a liquid depends.
Write an expression for the pressure at a point inside a liquid. Explain the meaning of the symbols used.
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 small block of wood is completely immersed in (i) water, (ii) glycerine and then released. In each case, What do you observe? Explain the difference in your observation in the two cases.
Complete the following sentence :
Two balls, one of iron and the other of aluminium experience the same upthrust when dipped completely in water if _____________ .
Select the correct option.
Thrust acting perpendicularly on the unit surface area is called
