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प्रश्न
Why does a ship made of iron and steel float in water whereas a small piece of iron sinks in it ?
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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.
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संबंधित प्रश्न
The volume of 50 g of a substance is 20 cm3. If the density of water is 1 g cm−3, will the substance float or sink?
What is the value of relative density of water ?
Why does ice float in water ?
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).
Steel sinks in water but a steel boat floats. Why ?
Name the force the upward push of water on a submerged object .
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?
Consider the following information in respect of four objects A, B, C and D :
| Object | Density(kg/m3) | Volume(m3) | Mass(kg) |
| A | 2 | 4000 | |
| B | 8000 | 4 | |
| C | 2000 | 1000 | |
| D | 4 | 2000 |
Which object would float on water ?
Give reason.
What determines whether an object floats or sinks in a fluid?
