Advertisements
Advertisements
Question
A beaker full of water is suspended from a spring balance. Will the reading of the balance change if a piece of heavy metal is placed in it ?
Give reasons for your answer.
Advertisements
Solution
The beaker is suspended from a spring balance. If an object is added to the beaker, the net weight held by the spring balance increases. Thus, the reading of the spring balance will increase by the weight of the heavy metal.
APPEARS IN
RELATED QUESTIONS
Why does an object float or sink when placed on the surface of water?
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 density of water in SI units ?
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 ?
Explain why, big boulders can be moved easily by flood.
Steel sinks in water but a steel boat floats. Why ?
Why does a ship made of iron and steel float in water whereas a small piece of iron sinks in it ?
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 ?
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 ?
