blacksmith slightly heat metallic ring on the rim of a the wooden wheel of a bullock cart ?why do the do that?which type of change is associated with this activity?
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Answered by
5
Answer:
He does it to expand the ring as on heating the the metals expand.
Answered by
40
Hello,
Explanation:
Blacksmith heat the ring slightly because heating a metal would lead to expandation & would make it easy to have the ring on wooden wheel.
they then cool it which lead to contraction & allow the ring to be on wooden wheel.
Physical change is associated with this .
I hope u got your ans.
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