Question

II.Answer the following.
1. Why does a blacksmith heat the metal rim to fix it on a cart wheel?​

Answer 1

A blacksmith heats the metal rim to fix it onto a cart because a metal rim is made slightly smaller. On heating the rim expands and fits onto the wheel.Then on cooling the rim contracts and fits tightly onto the wheel.

Hope it helps......

Answer 2

Answer:

Explanation:

On heating the metal expands and it's fixed on a cart wheel and as it cools down after sometime it gets tightly attached and becomes strong.