Question

a stone is suspended by an elastic string. why does the length of the string decrease when the stone is dipped in water?

Answer 1

It is because, stone experiences an upward force called buoyant force and due to that force its Apparent weight becomes less than the original weight. Hence the length of the string decreases when dipped in water.

Answer 2

Hey friend..

Here is your answer..

As we know, the water applied a upward force to every object dipped in it. So, when the stone is dipped in water, it feels a upward force and hence, the length of string decrease.

HOPE that it will help you ✌️