Question

Two blocks of ice combine to form a single piece when press together why?

Answer 1

When two blocks of ice are pressed together, it exerts a pressure in between the two blocks. The pressure increases the temperature up to a very little quantity. This increase in temperature indeed increases the kinetic energy of particles in that region. Thus, the particles collide with each other and tends to occupy the total space. This gradually decreases the area between the blocks which results in the equal distribution of particles. This is why the two blocks form one on pressing when again the pressure is decreased.

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