A beaker full of water s suspended from a spring balance-Will the reading of the balance change - a if a cork is palced in water - b if a piece of heavy metal is placed in it - Give reasons for your answer-

Yes in both cases the reading will change. Because the total weight of the whole system is increasing, the balance will show higher reading. ...

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Byju's Answer

Standard IX

Physics

Weight and Mass

A beaker full...

Question

A beaker full of water is suspended from a spring balance. Will the reading of the balance change :

(a) if a cork is placed in water?

(b) if a piece of heavy metal is placed in it?

Give reasons for your answer.

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Solution

(a) The reading of spring balance will not change if a cork is placed in water because cork, being lighter than water, floats in water.
(b) The reading of spring balance will change if a piece of heavy metal is placed in water because heavy metal being denser than water, sinks in water.

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A beaker full of water is suspended from a spring balance. Will the reading of the balance change : (a) if a cork is placed in water? (b) if a piece of heavy metal is placed in it? Give reasons for your answer.

(a) The reading of spring balance will not change if a cork is placed in water because cork, being lighter than water, floats in water. (b) The reading of spring balance will change if a piece of heavy metal is placed in water because heavy metal being denser than water, sinks in water.

A beaker full of water is suspended from a spring balance. Will the reading of the balance change :

(a) if a cork is placed in water?

(b) if a piece of heavy metal is placed in it?

Give reasons for your answer.

(a) The reading of spring balance will not change if a cork is placed in water because cork, being lighter than water, floats in water.
(b) The reading of spring balance will change if a piece of heavy metal is placed in water because heavy metal being denser than water, sinks in water.