Science, asked by vijayamohan67, 8 months ago

An iron rim is fitted firmly on a larger wooden wheel by expanding the rim by heating and cooling it. But the rim cannot be fitted by cooling the wooden wheel and then heating it. Why?

Answers

Answered by theironman16
6

Answer:

For fixing the metal rim on a wooden wheel of a cart, the metal rim is made slightly smaller than the wooden wheel. On heating, the rim expands and fits onto the wheel. Cold water is then poured over the rim, which contracts and fits tightly onto the wheel.

Answered by master expert iron man

Explanation:

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