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What happened when the crack in the wall snapped shut?

User Dsegleau
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Final answer:

Cracks in walls can snap shut due to thermal stress caused by temperature changes. This can happen with glass cooking pans as well.

Step-by-step explanation:

In physics, cracks in walls can snap shut due to thermal stress caused by temperature changes. When a house warms up or cools down, the plaster walls can expand or contract, causing cracks to open or close.

This is similar to what happens with glass cooking pans when they are cooled rapidly or unevenly.

The differential contraction can create stress and cause the pan to crack.

User Thomas Menga
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