Asked Jan 20, 2020

How does the diameter of opening in the cast iron plate of a kitchen stove change when stove is heated?


Expert Answer

Step 1

One might think that when heated, the diameter of the opening in the cast iron decreases as the cast iron expands. However, the diameter increases.

Step 2

If the opening is considered as a ring or a disc, every point on the it moves away from the centre as ...

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