give any example of expansion & Contraction?
Answers
Answered by
1
telephone wire and steel Tyre
Answered by
2
example of expansion
Cracks in the road when the road expands on heating.
Sags in electrical power lines.
Windows of metal-framed need rubber spacers to avoid thermal expansion.
Expansion joints (like joint of two railway tracks).
example of contraction
are not → aren't.
was not → wasn't.
were not → weren't.
have not → haven't.
has not → hasn't.
had not → hadn't.
Similar questions