Science, asked by antimasingh9507, 7 months ago

discuss the application contraction and expansion in everyday activity

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Answered by omasati2004

Expansion by heating can be used in several everyday activities. The jammed metal lid of a jam jar can be opened by heating. The jar is inverted and just the lid is dipped in hot water. After some time, the lid can be opened easily as the lid gets slightly expanded.

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