Question

why stone sink in water but cork floats

Answer 1

Objects that are of lower density than the surrounding material float, while higher densities sink. ... As you can see, corks would float because they are less dense than the water, and rocks would sink because they are more dense than the water.

Answer 2

The reason for the sinking of stone in water and cork floats is as follows;

Explanation:

• The density can be defined as the measure of mass per unit volume.
• The material which has more density than water usually sink at the bottom whereas the material which has less density than water usually floats over the surface of water.
• The stone has more density than water therefore, the stone will sink whereas the cork has the less density than the water then it will float over the surface of water.

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