मराठी

An iron nail sinks in water while an iron ship floats on water. Explain the reason.What can you say about the average density of a ship floating on water?

Advertisements
Advertisements

प्रश्न

An iron nail sinks in the water while an iron ship floats on water. Explain the reason.
What can you say about the average density of a ship floating on water?

टीपा लिहा
Advertisements

उत्तर

The density of iron is more than the density of water so it sinks down in the water but in case of a ship, it is designed in such a manner that it encloses large quantity of air in airtight bags and in rooms and corridors which makes the average density of ship less than that of water and ship floats on the surface of the water.
shaalaa.com
Relation Between Volume of Submerged Part of a Floating Body, the Densities of Liquid and the Body
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Fluids - Exercise 2 [पृष्ठ १७४]

APPEARS IN

फ्रँक Physics Part 1 [English] Class 9 ICSE
पाठ 4 Fluids
Exercise 2 | Q 21 | पृष्ठ १७४

संबंधित प्रश्‍न

A body of density ρ sinks in a liquid of density ρL.  The densities ρ and ρL are related as :


Write the density of water at 4°C in S.I. unit .


Explain the following : 

A balloon filled with hydrogen rises to a certain height and then stops rising further.


A rubber ball floats on water with its 1/3rd volume outside water. What is the density of rubber? 


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.
 


The density of ice is 0.92 g cm-3 and that of sea water is 1.025 g cm-3. Find the total volume of an iceberg which floats with its volume 800 cm3 above water. 


A hollow cylinder of copper of length 25 cm and area of cross-section 15 cm2, floats in water with 3/5 of its length inside water. Calculate:
(1) apparent density of a hollow copper cylinder.
(2) wt. of cylinder.
(3) extra force required to completely submerge it in water.


A trawler is fully loaded in sea water to maximum capacity. What will happen to this trawler, if moved to river water? Explain your answer.


A body of mass 50 g is floting in water. What is the apparent weight of body in water? Explain your answer.


A metal cube of 5 cm edge and density 9 g cm-3 is suspended by a thread so as to be completely immersed in a liquid of density 1.2 g cm-3. Find the tension in the thread. (Take g = 10 ms-2).

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×