Explain how a metal Rim is fixed around the wodden wheel of a cart. Wh

1.	Explain how a metal Rim is fixed around the wodden wheel of a cart. What type of change/changes take place during this process?
Answer» The metal rim gets heated to FIX it on to a cart because metal rims are made slightly smaller. On heating, the rim expands and fits on to the wheel. Then on COOLING, the rim contracts and fits slightly on to the wheel. It is a physical process. Physical process is a sustained phenomenon or ONE marked by gradual CHANGES through a series of STATES.

Explain how a metal Rim is fixed around the wodden wheel of a cart. What type of change/changes take place during this process?

Answer»

The metal rim gets heated to FIX it on to a cart because metal rims are made slightly smaller.

On heating, the rim expands and fits on to the wheel. Then on COOLING, the rim contracts and fits slightly on to the wheel.

It is a physical process. Physical process is a sustained phenomenon or ONE marked by gradual CHANGES through a series of STATES.

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Explain how a metal Rim is fixed around the wodden wheel of a cart. What type of change/changes take place during this process?

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