Advertisements
Advertisements
प्रश्न
Why does a ship made of iron and steel float in water whereas a small piece of iron sinks in it ?
Advertisements
उत्तर
Iron and steel pieces sink in water because iron and steel have higher density than water, but iron and steel ships float in water because they trap a lot of air and thereby reduce the average density of the ships (steel and iron) than water.
APPEARS IN
संबंधित प्रश्न
Why does an object float or sink when placed on the surface of water?
The relative density of mercury is 13.6. What does this statement mean?
The density of a body is 800 kg/m3. Will it sink or float when dipped in a bucket of water ? (Density of water = 1000 kg/m3).
A mug full of water appears light as long as it is under water in the bucket than when it is outside water. Why ?
An iron nail sinks in water but it floats in mercury. Why ?
Steel sinks in water but a steel boat floats. Why ?
A beaker full of water is suspended from a spring balance. Will the reading of the balance change if a cork is placed in water ?
A boy get into a floating boat .
What happens to the boat ?
A `1/2` kg sheet of tin sinks in water but if the same sheet is converted into a box or boat, it floats. Why?
A rectangle wooden block has length, breadth and height of 50 cm, 25 cm and 10 cm, respectively. This wooden block is kept on ground in three different ways, turn by turn. Which of the following is the correct statement about the pressure exerted by this block on the ground?
