Give some examples for expansion of solids?

Answer 1

All solids expand as they are heated but I guess you want some examples where this is either useful or a problem: Useful * Bimetalic strips used in thermostats. They are made by joining 2 metals with different rates of expansion together, as they get warm they bend one way, as they get cold they bend the other. Problem * Long pipes have to have S bends in them to allow for the expansion/contraction otherwise they buckle or snap. * Railway lines are laid with gaps in them so that there is room for them to expand. (This is where the ta ta ta tap sound comes from as the wheels go over the gaps.) * Bridges have to have be suspended to allow for expansion.

Answer 2

Examples of expansion of solids include:

1. A metal strip expanding when heated, causing it to bend or warp.
2. Railroad tracks expanding in hot weather, leading to the need for expansion joints to prevent buckling.
3. Bridges and buildings expanding and contracting with temperature changes, which can cause stress and potential damage if not accounted for in the design.